List of observatory codes

Astronomical observatories are locations used for observing celestial events. Observatory codes are assigned by the Minor Planet Center (a service of the International Astronomical Union) for use in cataloguing astrometric observations of solar-system objects. The following is a list of observatory codes (the parts in italics are not part of the IAU listing itself; diacriticals were added):

000–099

• 000: Greenwich, England, UK (Royal Observatory, Greenwich)
• 001: Crowborough, England, UK (Isaac Roberts)
• 002: Rayleigh, Chelmsford borough, Essex, England (Observatory Raleigh)
• 003: Montpellier, France (Observatoire de la Babote)
• 004: Toulouse, France (Observatoire de Toulouse)
• 005: Meudon, France (Observatoire de Paris-Meudon)
• 006: Fabra Observatory, Barcelona, Spain (Observatori Fabra)
• 007: Paris, France (Observatoire de Paris)
• 008: Algiers-Bouzaréah, Algeria (CRAAG: Centre de Recherche en Astronomie, Astrophysique et Geophysique)
• 009: Berne-Uecht, Switzerland (Sternwarte Uecht, Solar Observatory at Uecht)
• 010: Caussols, France (CERGA: Centre de recherches en géodynamique et astrométrie)
• 011: Wetzikon, Switzerland (Sternwarte Wetzikon)
• 012: Uccle, Belgium (Observatoire Royal de Belgique/Koninklijke Sterrenwacht van België)
• 013: Leiden, Netherlands (Sterrewacht Leiden)
• 014: Marseilles, France (Observatoire de Marseille)
• 015: Utrecht, Netherlands (Museum Sterrenwacht Sonnenborgh)
• 016: Besançon, France (Observatoire de Besançon)
• 017: Hoher List, Germany (Observatorium Hoher List)
• 018: Düsseldorf-Bilk, Germany (Sternwarte Bilk)
• 019: Neuchâtel, Switzerland (Observatoire Cantonal de Neuchâtel)
• 020: Nice, France (Observatoire de Nice)
• 021: Karlsruhe, Germany (Sternwarte Karlsruhe)
• 022: Pino Torinese, Italy (Osservatorio Astronomico di Torino)
• 023: Wiesbaden, Germany (Sternwarte Wiesbaden)
• 024: Heidelberg-Königstuhl, Germany (Landessternwarte Heidelberg-Königstuhl)
• 025: Stuttgart, Germany (Sternwarte Stuttgart)
• 026: Berne-Zimmerwald, Switzerland (Observatorium Zimmerwald)
• 027: Milan, Italy (Osservatorio Astronomico di Brera)
• 028: Würzburg, Germany (Sternwarte der Universität Würzburg)
• 029: Hamburg-Bergedorf, Germany (Hamburger Sternwarte)
• 030: Arcetri Observatory, Florence, Italy (Osservatorio Astrofisico di Arcetri)
• 031: Sonneberg, Germany (Sternwarte Sonneberg)
• 032: Jena, Germany (Astrophysikalisches Institut und Universitäts-Sternwarte Jena)
• 033: Karl Schwarzschild Observatory, Tautenburg, Germany (Karl-Schwarzschild-Observatorium)
• 034: Monte Mario Observatory, Rome, Italy (Osservatorio Astronomico di Roma Sede di Monte Mario)
• 035: Copenhagen (Copenhagen University Observatory, Københavns Universitet Astronomisk Observatorium), Denmark
• 036: Castel Gandolfo, Vatican City (Specola Vaticana)
• 037: Collurania Observatory, Teramo, Italy (Osservatorio Astronomico di Collurania-Teramo)
• 038: Trieste, Italy (Osservatorio Astronomico di Trieste)
• 039: Lund, Sweden (Lunds Universitet Institutionen för astronomi, Lund Observatory)
• 040: Lohrmann Institute, Dresden, Germany
• 041: Innsbruck, Austria (Universitäts-Sternwarte Innsbruck)
• 042: Potsdam, Germany (Einstein Tower)
• 043: Asiago Astrophysical Observatory, Padua, Italy (Osservatorio Astrofisico di Asiago)
• 044: Capodimonte Observatory, Naples, Italy (Osservatorio Astronomico di Capodimonte)
• 045: Vienna (since 1879), Austria (Universitäts-Sternwarte Wien)
• 046: Kleť Observatory, České Budějovice, Czech Republic (Hvězdárna Kleť)
• 047: Poznań, Poland (Obserwatorium Astronomiczne Uniwersytet im. Adama Mickiewicza w Poznaniu, Poznań Observatory)
• 048: Hradec Králové, Czech Republic (Hvězdárna Hradec Králové)
• 049: Uppsala-Kvistaberg, Sweden (Kvistabergs Observatorium)
• 050: Stockholm (before 1931), Sweden (Stockholms observatorium)
• 051: Cape, South Africa (Royal Observatory at the Cape of Good Hope)
• 052: Stockholm-Saltsjöbaden (since 1931), Sweden (Stockholms observatorium, Saltsjöbaden Observatory)
• 053: Konkoly Observatory, Budapest (since 1934), Hungary (Konkoly Obszervatórium)
• 054: Brorfelde, Denmark (Brorfelde Observatoriet)
• 055: Kraków (Cracow), Poland (Kraków Observatory)
• 056: Skalnaté Pleso, Slovakia (Observatórium Skalnaté pleso)
• 057: Belgrade, Serbia (Belgrade Astronomical Observatory (AOB); Астрономске опсерваторије у Београду)
• 058: Königsberg, German Empire (before 1944)
• 059: Lomnický štít (Lomnický peak, Slovakia)
• 060: Warsaw-Ostrowik, Poland (Warsaw University Observatory)
• 061: Uzhgorod, Ukraine
• 062: Turku, Finland (Iso-Heikkilä Observatory, University of Turku; Turun observatorio, Turun yliopisto)
• 063: Turku-Tuorla, Finland (Tuorla Observatory, University of Turku; Tuorlan observatorio, Turun yliopisto)
• 064: Turku-Kevola, Finland (Kevola Observatory, University of Turku; Kevolan tähtitorni, Turun yliopisto)
• 065: Traunstein, Germany
• 066: Athens, Greece (National Observatory of Athens)
• 067: Lvov University Observatory, Ukraine
• 068: Lvov Polytechnic Institute, Ukraine
• 069: Baldone, near Riga, Latvia
• 070: Vilno (before 1883), Russian Empire
• 071: NAO Rozhen, Smolyan, Bulgaria (Bulgarian National Astronomical Observatory, a.k.a. Rozhen National Astronomical Observatory)
• 072: Scheuren Observatory, Germany
• 073: Bucharest, Romania
• 074: Boyden Observatory, Bloemfontein, South Africa
• 075: Tartu, Estonia (Tartu Observatory)
• 076: Johannesburg-Hartbeespoort, South Africa (Union Observatory Annex, Hartbeespoort)
• 077: Yale-Columbia Station, Johannesburg, South Africa (Yale-Columbia Southern Station, 1925–1951)^[1]
• 078: Johannesburg, South Africa (Union Observatory)
• 079: Radcliffe Observatory, Pretoria, South Africa
• 080: Istanbul, Turkey
• 081: Leiden Station, Johannesburg, South Africa (Leiden Southern Station, Hartbeespoort)
• 082: St. Pölten , Austria
• 083: Golosseevo-Kiev, Ukraine
• 084: Pulkovo Observatory, Russia
• 085: Kiev, Ukraine
• 086: Odessa, Ukraine
• 087: Helwan, Egypt
• 088: Kottomia, Egypt
• 089: Nikolaev, Ukraine (Nikolaev Astronomical Observatory)
• 090: Mainz, Germany
• 091: Observatoire de Nurol, Aurec sur Loire, France
• 092: Torun-Piwnice, Poland (Piwnice Obserwatorium Astronomiczne; Piwnice Astronomical Observatory)
• 093: Skibotn, Norway
• 094: Crimea-Simeïs, Ukraine (Crimean Astrophysical Observatory-Simeis)
• 095: Crimea-Nauchnij, Ukraine (Crimean Astrophysical Observatory-Nauchnij)
• 096: Merate, Italy
• 097: Wise Observatory, Mitzpeh Ramon, Israel
• 098: Asiago Observatory, Cima Ekar, Italy (Stazione osservativa di Asiago Cima Ekar)
• 099: Lahti, Finland (Lahti Ursa Observatory; Lahden Ursan tähtitorni)

100–199

• 100: Ähtäri, Finland
• 101: Kharkov, Ukraine (Astronomical Observatory of Kharkov National University, Астрономiчна обсерваторiя Харкiвського нацiонального унiверситету, a.k.a. ХАО, Харкiвська астрономiчна обсерваторiя)
• 102: Zvenigorod, Russia
• 103: Ljubljana, Slovenia
• 104: San Marcello Pistoiese, Italy (Osservatorio Astronomico della Montagna Pistoiese, Pistoia Mountains Astronomical Observatory; a.k.a. Osservatorio di Pian dei Termini, Pian dei Termini Observatory)
• 105: Moscow, Russia
• 106: Črni Vrh Observatory, Slovenia (Observatorij Črni Vrh)
• 107: Cavezzo, Italy (Osservatorio Astronomico "Geminiamo Montanari")
• 108: Montelupo, Italy (Osservatorio di Montelupo)
• 109: Algiers-Kouba, Algeria
• 110: Rostov, Russia
• 111: Piazzano Observatory, Florence, Italy
• 112: Pleiade Observatory, Verona, Italy
• 113: Volkssternwarte Drebach, Schönbrunn, Germany
• 114: Zelenchukskaya Station of the Engelhardt Observatory (see #136), Russia (Kazan University Observatory)
• 115: Special Astrophysical Observatory (SAO) known as / located in Zelenchukskaya (also see #114 above), Russia (Специальная астрофизическая обсерватория (САО))
• 116: Giesing, Germany (München-Giesing)
• 117: Sendling, Munich, Germany
• 118: Astronomical and Geophysical Observatory, Modra, Slovakia (Astronomické observatórium Modra, Modra Observatory)
• 119: Abastuman, Georgia
• 120: Višnjan Observatory, Croatia (Zvjezdarnica Višnjan)
• 121: Kharkov University, Chuguevskaya Station, Ukraine
• 122: Pises Observatory, France (Observatoire des Pises)
• 123: Byurakan, Armenia
• 124: Castres, France (Observatoire de Castres)
• 125: Tbilisi, Georgia
• 126: Monte Viseggi, Italy (Osservatorio Astronomico di Monte Viseggi)
• 127: Bornheim, Germany
• 128: Saratov, Russia (Saratov State University)
• 129: Ordubad, Azerbaijan
• 130: Lumezzane, Italy (Osservatorio Astronomico "Serafino Zani")
• 131: Observatoire de l'Ardèche, France
• 132: Bédoin, France (Observatoire de Bédoin)
• 133: Les Tardieux, France
• 134: Groszschwabhausen
• 135: Kasan, Russia
• 136: Engelhardt Observatory, Kasan, Russia (Kazan University Observatory (Обсерватория Казанского Университета); V. P. Engelhardt Astronomical Observatory (Астрономическая Обсерватория им. В. П. Энгельгардта))
• 137: Givatayim Observatory, Israel
• 138: Village-Neuf, France
• 139: Antibes, France
• 140: Augerolles, France
• 141: Hottviller, France (Observatoire de Hottviller)
• 142: Sinsen, Germany
• 143: Gnosca, Switzerland (Osservatorio Astronomico di Gnosca)
• 144: Bray et Lu, France
• 145: 's-Gravenwezel, Belgium
• 146: Frignano, Italy
• 147: Osservatorio Astronomico di Suno, Italy ([Osservatorio Astronomico Galileo Galilei http://www.apan.it/index3.asp])
• 148: Guitalens, France (Observatoire de Guitalens)
• 149: Beine-Nauroy, France
• 150: Maisons Laffitte, France
• 151: Eschenberg Observatory, Winterthur, Switzerland (Sternwarte Eschenberg)
• 152: Moletai Astronomical Observatory, Lithuania (MAO; Molėtų astronomijos observatorija)
• 153: Stuttgart-Hoffeld, Germany
• 154: Cortina, Italy (Cortina d'Ampezzo, Associazione Astronomica Cortina: Osservatorio Astronomico del Col Drusciè "Helmut Ullrich")
• 155: Ole Rømer Observatory, Aarhus
• 156: Catania Astrophysical Observatory, Sicily, Italy
• 157: Frasso Sabino (Osservatorio Astronomico Virginio Cesarini - Frasso Sabino, Italy)
• 158: Promiod (Osservatorio Dalai Lama di Promiod, Italy)
• 159: Monte Agliale (Osservatorio Astronomico di Monte Agliale, Italy)
• 160: Castelmartini, Italy
• 161: Cerrina Tololo Observatory, Italy
• 162: Potenza, Italy
• 163: Roeser Observatory, Luxembourg
• 164: St. Michel sur Meurthe, France
• 165: Piera Observatory, Barcelona, Spain (Observatori Astronomic de Piera)
• 166: Úpice, Czech Republic (Hvězdárna v Úpici)
• 167: Bülach Observatory, Switzerland
• 168: Kourovskaya, Russia
• 169: Airali Observatory, Italy
• 170: Observatorio de Begues, Spain
• 171: Flarestar Observatory, San Gwann, Malta
• 172: Onnens, Switzerland
• 173: St. Clotilde, Réunion, France (Observatoire Sainte-Clotilde)
• 174: Nyrölä Observatory, Jyväskylä, Finland (Nyrölän observatorio)
• 175: F.-X. Bagnoud Observatory, St-Luc, Switzerland (Bagnoud Observatory)
• 176: Observatorio Astronómico de Consell, Consell, Majorca, Spain (Consell Observatory)
• 177: Le Cres, France
• 178: Collonges, France
• 179: Monte Generoso, Switzerland
• 180: Mauguio, France
• 181: Observatoire des Makes, Saint-Louis, Réunion, France
• 182: St. Paul, Réunion, France
• 183: Starlab Observatory, Karachay-Cherkessia, Russia
• 184: Valmeca Observatory, Puimichel, France
• 185: Observatoire Astronomique Jurassien-Vicques, Switzerland
• 186: Kitab, Mt. Maydanak, Uzbekistan
• 187: Borowiec Astrogeodynamic Observatory, Borowiec, Poland
• 188: Majdanak, Uzbekistan
• 189: Geneva (before 1967), Switzerland
• 190: Gissar, Tajikistan
• 191: Dushanbe, Tajikistan
• 192: Tashkent, Uzbekistan
• 193: Sanglok, Tajikistan
• 194: Tivoli, Namibia
• 195: Untermenzing Observatory, Munich, Germany
• 196: Homburg-Erbach, Germany
• 197: Bastia, Italy
• 198: Wildberg (Observatorium Wildberg], Germany)
• 199: Buthiers (Observatoire de Buthiers, France)

200–299

• 200: Beersel Hills Observatory
• 201: Jonathan B. Postel Observatory, Bareggio, Italy
• 202: Tamaris Observatoire, La Seyne sur Mer
• 203: GiaGa Observatory
• 204: Schiaparelli Observatory
• 205: Obs. Casalecchio di Reno, Bologna
• 206: Haagaar Observatory, Eina
• 207: Osservatorio Antonio Grosso
• 208: Rivalta
• 209: Asiago Observatory, Cima Ekar-ADAS (Asiago-DLR Asteroid Survey)
• 210: Alma-Ata
• 211: Scandicci
• 212: Observatorio La Dehesilla
• 213: Observatorio Montcabre
• 214: Garching Observatory
• 215: Buchloe
• 216: Observatoire des Côtes de Meuse, France
• 217: Assah
• 218: Hyderabad
• 219: Japal-Rangapur
• 220: Vainu Bappu Observatory, Kavalur, India
• 221: IAS Observatory, Hakos
• 222: Yerres-Canotiers
• 223: Madras, India (Indian Institute of Astrophysics, Madras Observatory)
• 224: Ottmarsheim
• 225: Northwood Ridge Observatory, Northwood, New Hampshire, US
• 226: Guido Ruggieri Observatory, Padua
• 227: OrbitJet Observatory, Colden
• 228: Bruno Zugna Observatory, Trieste
• 229: G. C. Gloriosi Astronomical Observatory, Salerno
• 230: Mt. Wendelstein Observatory
• 231: Vesqueville
• 232: Masquefa Observatory
• 233: Sauro Donati Astronomical Observatory, San Vito
• 234: Coddenham Observatory
• 235: CAST Observatory, Talmassons
• 236: Tomsk
• 237: Baugy
• 238: Grorudalen Optical Observatory
• 239: Michael Adrian Observatory, Trebur
• 240: Herrenberg Sternwarte
• 241: Schaerding
• 242: Varennes
• 243: Umbrella Observatory
• 244: Geocentric Occultation Observation
• 245: Spitzer Space Telescope (space observatory)
• 246: Kleť Observatory-KLENOT
• 247: Roving Observer
• 248: Hipparcos (space observatory – defunct)
• 249: SOHO (space observatory)
• 250: Hubble Space Telescope (space observatory)
• 251: Arecibo Observatory, Puerto Rico, US
• 252: Goldstone DSS 13, Fort Irwin, California, US (Goldstone Deep Space Communications Complex)
• 253: Goldstone DSS 14, Fort Irwin, California, US (Goldstone Deep Space Communications Complex)
• 254: Haystack, Westford, Massachusetts, US (Haystack Observatory)
• 255: Evpatoria, Ukraine
• 256: Green Bank Telescope, West Virginia, US
• 257: Goldstone DSS 25, Fort Irwin, California, US (Goldstone Deep Space Communications Complex)
• 259: EISCAT Tromso UHF
• 260: Siding Spring Observatory-DSS, Siding Spring, New South Wales, Australia (Digital Sky Survey)
• 261: Palomar Mountain-DSS, California, US (Palomar Observatory – Digital Sky Survey)
• 262: European Southern Observatory, La Silla-DSS, Chile (La Silla Observatory – Digital Sky Survey)
• 266: New Horizons KBO Search-Subaru
• 267: New Horizons KBO Search-CFHT
• 268: New Horizons KBO Search-Magellan/Clay
• 269: New Horizons KBO Search-Magellan/Baade
• 277: Royal Observatory, Blackford Hill, Edinburgh, Scotland
• 278: Peking, Transit of Venus site
• 279: Seeberg Observatory, Gotha (1787-1857)
• 280: Lilienthal
• 281: Bologna
• 282: Nîmes
• 283: Bremen
• 284: Driesen
• 285: Flammarion Observatory, Juvisy
• 286: Yunnan Observatory
• 290: Mt. Graham-VATT, Arizona, US (Vatican Advanced Technology Telescope)
• 291: LPL/Spacewatch II
• 292: Burlington, New Jersey, US
• 293: Burlington remote site, New Jersey, US
• 294: Astrophysical Obs., College of Staten Island, Staten Island, New York, US
• 295: Catholic University Observatory, Washington D.C., US
• 296: Dudley Observatory (after 1893), Schenectady, New York, US
• 297: Middlebury, Vermont, US (Middlebury College Observatory)
• 298: Van Vleck Observatory, Middletown, Connecticut, US
• 299: Bosscha Observatory, Lembang, Indonesia

300–399

• 300: Bisei Spaceguard Center – BATTeRS, Okayama, Japan
• 301: Mont Mégantic, Québec, Canada (Observatoire du Mont Mégantic)
• 302: University of the Andes station, Venezuela (not built)
• 303: Mérida, Venezuela (Llano del Hato National Astronomical Observatory
• 304: Las Campanas Observatory, Chile
• 305: Purple Mountain, Hainan Island station
• 306: Observatorio Taya Beixo, Barquisimeto,Venezuela.
• 309: Cerro Paranal, Chile (Paranal Observatory)
• 312: Tsingtao field station, Xisha Islands
• 318: Quinns Rock
• 319: Perth Observatory, Perth-Lowell Telescope
• 320: Chiro Observatory
• 321: Craigie
• 322: Perth Observatory, Bickley-MCT
• 323: Perth Observatory, Bickley
• 324: Peking Observatory, Shaho Station
• 327: Peking Observatory, Xinglong Station (Xinglong Station (NAOC))
• 330: Purple Mountain Observatory, Nanking
• 333: Desert Eagle Observatory, Arizona, US
• 334: Tsingtao
• 337: Sheshan, formerly Zô-Sé
• 340: Toyonaka
• 341: Akashina
• 342: Shishikui
• 343: Younchun
• 344: Bohyunsan Optical Astronomy Observatory (BOAO)
• 345: Sobaeksan Optical Astronomy Observatory
• 346: KNUE Astronomical Observatory
• 347: Utsunomiya-Imaizumi
• 348: Ayabe
• 349: Ageo
• 350: Kurohone
• 351: Sakamoto
• 352: Konan
• 353: Nishi Kobe
• 354: Kawachi
• 355: Hadano
• 356: Kogota
• 357: Shimotsuma
• 358: Nanyo
• 359: Wakayama
• 360: Kuma Kogen, Ehime, Japan
• 361: Sumoto
• 362: Ray Observatory
• 363: Yamada
• 364: YCPM Kagoshima Station
• 365: Uto Observatory
• 366: Miyasaka Observatory
• 367: Yatsuka
• 368: Ochiai
• 369: Chichibu
• 370: Kochi
• 371: Tokyo-Okayama (Okayama Astrophysical Observatory of Tokyo Observatory) (OAO)
• 372: Geisei Observatory
• 373: Oishi
• 374: Minami-Oda Observatory
• 375: Uzurano
• 376: Uenohara
• 377: Kwasan Observatory, Kyoto University, Kyoto (Kwasan and Hida Observatories)
• 378: Murou
• 379: Hamamatsu-Yuto
• 380: Ishiki
• 381: Tokyo-Kiso (Kiso Observatory, University of Tokyo, Nagano)
• 382: Tokyo-Norikura (Norikura Observatory of Tokyo Astronomical Observatory)
• 383: Chirorin
• 384: Shimada
• 385: Nihondaira Observatory
• 386: Yatsugatake-Kobuchizawa
• 387: Tokyo-Dodaira (Dodaira Observatory of Tokyo Astronomical Observatory)
• 388: Tokyo-Mitaka (National Astronomical Observatory, Mitaka, Tokyo)
• 389: Tokyo (before 1938) (Tokyo Astronomical Observatory)
• 390: Utsunomiya
• 391: Sendai Observatory, Ayashi Station
• 392: JCPM Sapporo Station
• 393: JCPM Sakura Station
• 394: JCPM Hamatonbetsu Station
• 395: Tokyo-Asahikawa
• 396: Asahikawa
• 397: Sapporo Science Center, Hokkaido, Japan
• 398: Nagatoro
• 399: Kushiro

400–499

• 400: Kitami Observatory
• 401: Oosato
• 402: Dynic Astronomical Observatory
• 403: Kani
• 404: Yamamoto
• 405: Kamihoriguchi
• 406: Bibai
• 407: Kahoku
• 408: Nyukasa
• 409: Kiyose and Mizuho
• 410: Sengamine(Sengamine Observatory, Hyōgo, Japan)
• 411: Oizumi, Gunma, Japan
• 412: Iwaki
• 413: Siding Spring Observatory, Siding Spring, Australia
• 414: Mount Stromlo, Australia (Mount Stromlo Observatory)
• 415: Kambah, near Canberra, Australia (Kambah Observatory)
• 416: Barton, near Canberra, Australia
• 417: Yanagida Astronomical Observatory
• 418: Tamworth
• 419: Windsor
• 420: Sydney, Australia
• 421: Mt. Kajigamori, Otoyo, Australia
• 422: Loomberah
• 423: North Ryde
• 424: Macquarie, near Canberra, Australia
• 425: Taylor Range Observatory, Brisbane, Australia
• 426: Woomera, Australia
• 427: Stockport
• 428: Reedy Creek
• 429: Hawker
• 430: Rainbow Observatory, near Coonabarabran, Australia
• 431: Mt. Tarana Observatory, Bathurst
• 432: Boambee
• 433: Bagnall Beach Observatory
• 434: S. Benedetto Po
• 435: G. Colombo Astronomical Observatory, Padua
• 436: Osservatorio di Livergnano
• 437: Haverford
• 438: Smith College Observatory, Northampton, Massachusetts, US
• 439: ROTSE-III, Los Alamos, New Mexico, US
• 440: Elginfield Observatory, Ontario, Canada
• 441: Swilken Brae, St. Andrews
• 442: Gualba Observatory
• 443: Obs. Astronomico Plomer, Buenos Aires, Argentina
• 444: Star Cruiser Observatory, Anza, California, US
• 445: Observatori d'Ontinyent
• 446: Kingsnake Observatory, Seguin, Texas, US
• 447: Centennial Observatory
• 448: Desert Moon Observatory, Las Cruces, New Mexico, US
• 449: Griffin Hunter Observatory, Bethune, South Carolina, US
• 450: Carla Jane Observatory, Charlotte
• 451: West Skies Observatory, Mulvane, Kansas, US
• 452: Big Cypress Observatory
• 453: Edwards Raven Observatory
• 454: Maryland Space Grant Consortium Observatory
• 455: CBA Concord
• 456: Daventry Observatory
• 457: Partizanske
• 458: Guadarrama Observatory
• 459: Smith River Observatory, Danbury
• 460: Area 52 Observatory, Nashville, Arkansas, US
• 461: University of Szeged, Piszkéstető Stn. (Konkoly)
• 462: Mount Belleview Observatory
• 463: Sommers-Bausch Observatory, Boulder, Colorado, US
• 464: Toby Point Observatory, Narragansett, Rhode Island, US
• 465: Takapuna
• 466: Mount Molehill Observatory, Auckland, New Zealand
• 467: Auckland Observatory, Auckland, New Zealand (Stardome Observatory)
• 468: Astronomical Observatory, Campo Catino (Osservatorio Astronomico Campo Catino)
• 469: Courroux
• 470: Ceccano
• 471: Houstrup
• 472: Merlette
• 473: Remanzacco
• 474: Mount John Observatory, Lake Tekapo, New Zealand (Mount John University Observatory)
• 475: Turin Observatory (before 1913), Italy
• 476: Grange Observatory, Bussoleno, Italy
• 477: Galleywood
• 478: Lamalou-les-Bains
• 479: Sollies-Pont
• 480: Cockfield
• 481: Moorwarfen
• 482: St. Andrews
• 483: Carter Observatory, Black Birch Station
• 484: Happy Valley, Wellington
• 485: Carter Observatory, Wellington
• 486: Palmerston North
• 487: Macnairston Observatory
• 488: Newcastle upon Tyne
• 489: Hemingford Abbots
• 490: Wimborne Minster
• 491: Centro Astronómico de Yebes, Spain
• 492: Mickleover
• 493: Calar Alto Observatory
• 494: Stakenbridge
• 495: Altrincham
• 496: Bishopstoke
• 497: Ascot-Loudwater
• 498: Earls Barton
• 499: Cheam

500–599

• 500: Geocentric
• 501: Herstmonceux
• 502: Colchester
• 503: Cambridge
• 504: Le Creusot, France
• 505: Simon Stevin
• 506: Bendestorf
• 507: Nyenheim
• 508: Zeist
• 509: La Seyne sur Mer
• 510: Siegen
• 511: Observatoire de Haute-Provence, France
• 512: Leiden (before 1860)
• 513: Lyons
• 514: Mundenheim (1907–1913)
• 515: Volkssternwarte Dhaun, near Kirn
• 516: Hamburg (before 1909), German Empire
• 517: Geneva (from 1967), Switzerland
• 518: Marine Observatory, Hamburg
• 519: Meschede
• 520: Bonn
• 521: Bamberg
• 522: Observatory of Strasbourg (Observatoire de Strasbourg)
• 523: Frankfurt
• 524: Mannheim
• 525: Marburg, Germany
• 526: Kiel
• 527: Altona
• 528: Göttingen
• 529: Christiania
• 530: Lübeck
• 531: Collegio Romano, Rome, Italy (Osservatorio del Collegio Romano)
• 532: Munich, Germany (Universitäts-Sternwarte München, Bogenhausener Sternwarte; a.k.a. Königlichen Sternwarte zu Bogenhausen)
• 533: Padua
• 534: Leipzig (since 1861)
• 535: Palermo (Osservatorio Astronomico di Palermo "Giuseppe S. Vaiana", Sicily)
• 536: Berlin-Babelsberg (Berlin Observatory after 1913)
• 537: Urania Observatory, Berlin (Urania Sternwarte)
• 538: Pola, Croatia (Kaiserlichen und Koniglichen Kriegsmarine Pola Sternwarte; Austro-Hungarian Imperial [and Royal] Naval Observatory in Pola, now Pula, Croatia)
• 539: Kremsmünster
• 540: Linz (Davidschlag Observatory; Private Observatory Meyer/Obermair; Sternwarte Davidschlag, Austria)
• 541: Prague Observatory
• 542: Falkensee
• 543: Leipzig (before 1861), German Empire
• 544: Wilhelm Foerster Observatory, Berlin (Wilhelm-Foerster-Sternwarte)
• 545: Vienna Observatory (before 1879), Austria-Hungary
• 546: Oppolzer Observatory, Vienna
• 547: Breslau
• 548: Berlin (1835–1913) (Berliner Sternwarte, Berlin Observatory, before 1913)
• 549: Uppsala (Uppsala Astronomical Observatory (UAO); Astronomiska observatoriet i Uppsala)
• 550: Schwerin
• 551: Hurbanovo, formerly O'Gyalla
• 552: Osservatorio S. Vittore, Bologna, Italy (Osservatorio San Vittore)
• 553: Chorzów
• 554: Burgsolms Observatory, Wetzlar
• 555: Cracow-Fort Skała
• 556: Reintal, near Munich
• 557: Ondřejov Observatory (Observatoř Ondřejov, Czech Republic)
• 558: Warsaw
• 559: Serra La Nave
• 560: Madonna di Dossobuono (Osservatorio Madonna di Dossobuono, Italy)
• 561: Piszkéstető Stn. (Konkoly) (Piszkéstető Station, Konkoly Obszervatórium, Budapest)
• 562: Figl Observatory, Vienna
• 563: Seewalchen
• 564: Herrsching
• 565: Bassano Bresciano (Osservatorio Astronomico di Bassano Bresciano, Italy)
• 566: Haleakala-NEAT/GEODSS, Hawaii, US
• 567: Chions, Italy (Osservatorio di Chions – Chaonis Observatory)
• 568: Mauna Kea Observatory, Hawaii, US
• 569: Helsinki
• 570: Vilnius (since 1939)
• 571: Cavriana, Italy (Osservatorio "Giordano Bruno")
• 572: Cologne
• 573: Eldagsen
• 574: Gottolengo
• 575: La Chaux de Fonds
• 576: Burwash
• 577: Metzerlen Observatory
• 578: Linden Observatory
• 579: Novi Ligure
• 580: Graz
• 581: Sedgefield
• 582: Orwell Park
• 583: Odessa-Mayaki
• 584: Leningrad
• 585: Kiev comet station
• 586: Pic du Midi (Observatoire du Pic du Midi, France)
• 587: Sormano (Osservatorio Astronomico Sormano, Italy)
• 588: Eremo di Tizzano
• 589: Santa Lucia Stroncone", Italy (Osservatorio Astrometrico Santa Lucia Stroncone)
• 590: Metzerlen
• 591: Resse Observatory
• 592: Solingen, Germany
• 593: Monte Argentario
• 594: Monte Autore
• 595: Farra d'Isonzo (Osservatorio Astronomico di Farra d'Isonzo, Italy)
• 596: Colleverde di Guidonia (Osservatorio Colleverde di Guidonia, Italy)
• 597: Springe
• 598: Loiano (Osservatorio Astronomico di Loiano, Italy)
• 599: Campo Imperatore-CINEOS (Osservatorio di Campo Imperatore, Italy)

600–699

• 600: TLC Observatory, Bologna
• 601: Engelhardt Observatory, Dresden
• 602: Urania Observatory, Vienna
• 603: Bothkamp, near Kiel, Germany (Sternwarte Bothkamp, Bothkamp Observatory)
• 604: Archenhold Sternwarte, Berlin-Treptow
• 605: Marl
• 606: Norderstedt
• 607: Hagen Observatory, Ronkhausen
• 608: Haleakala-AMOS, Hawaii, US
• 609: Osservatorio Polino
• 610: Pianoro
• 611: Starkenburg Sternwarte, Heppenheim (Starkenburg Observatory)
• 612: Lenkerbeck
• 613: Heisingen
• 614: Soisy-sur-Seine
• 615: St. Véran
• 616: Brno
• 617: Arbonne-la-Forêt
• 618: Martigues
• 619: Sabadell
• 620: Observatorio Astronómico de Mallorca
• 621: Bergisch Gladbach Observatory
• 622: Oberwichtrach
• 623: Liège
• 624: Dertingen
• 625: Kihei-AMOS Remote Maui Experimental Site, Hawaii, US
• 626: Geel
• 627: Blauvac
• 628: Mülheim-Ruhr
• 629: Szeged Observatory, Szeged, Hungary JATE Observatory
• 630: Osenbach
• 631: Hamburg-Georgswerder
• 632: San Polo A Mosciano
• 633: Romito
• 634: Crolles
• 635: Pergignan
• 636: Essen Observatory a.k.a. Walter Hohmann Observatory, Germany
• 637: Hamburg-Himmelsmoor
• 638: Detmold
• 639: Dresden
• 640: Senftenberger Sternwarte
• 641: Overberg
• 642: Oak Bay, Victoria
• 643: OCA-Anza Observatory, Anza, California, US
• 644: Palomar Mountain/NEAT, California, US (Palomar Observatory)
• 645: Apache Point-Sloan Digital Sky Survey, Sunspot, New Mexico, US (Apache Point Observatory)
• 646: Santana Observatory, Rancho Cucamonga, California, US
• 647: Stone Finder Observatory, Calgary, Canada
• 648: Winer Observatory, Sonoita, Arizona, US
• 649: Powell Observatory, Louisburg, Kansas, US
• 650: Temecula, California, US
• 651: Grasslands Observatory, Tucson, Arizona, US
• 652: Rock Finder Observatory, Calgary, Canada
• 653: Torus Observatory, Buckley
• 654: Table Mountain Observatory, Wrightwood-PHMC, California, US
• 655: Sooke
• 656: Victoria
• 657: Climenhaga Observatory, Victoria, British Columbia, Canada
• 658: National Research Council of Canada (Dominion Astrophysical Observatory, Saanich, British Columbia, Canada)
• 659: Heron Cove Observatory, Orcas', Washington, US
• 660: Leuschner Observatory, Berkeley, California, US
• 661: Rothney Astrophysical Observatory, Priddis, Alberta, Canada
• 662: Lick Observatory, Mount Hamilton, California, US
• 663: Red Mountain Observatory, Ivins, Utah, US
• 664: Manastash Ridge Observatory, Ellensburg, Washington, US
• 665: Wallis Observatory
• 666: Moorpark College Observatory, Ventura County, California, US
• 667: Wanapum Dam
• 668: San Emigdio Peak
• 669: Ojai
• 670: Camarillo
• 671: Stony Ridge
• 672: Mount Wilson, California, US
• 673: Table Mountain Observatory, Wrightwood, California, US
• 674: Ford Observatory, Wrightwood, California, US
• 675: Palomar Mountain, California, US (Palomar Observatory)
• 676: San Clemente, California, US
• 677: Lake Arrowhead, California, US
• 678: Fountain Hills, Fountain Hills, Arizona, US (Fountain Hills Observatory)
• 679: San Pedro Martir, Baja California, Mexico (National Astronomical Observatory (Mexico))
• 680: Los Angeles, California, US
• 681: Calgary
• 682: Kanab
• 683: Goodricke-Pigott Observatory, Tucson, Arizona, US
• 684: Prescott, Arizona, US (Prescott Observatory)
• 685: Williams, Arizona, US
• 686: U. of Minn. Infrared Obs., Mt. Lemmon, Arizona, US (UMN Mount Lemmon Observing Facility)
• 687: Northern Arizona University, Flagstaff, Arizona, US
• 688: Lowell Observatory, Anderson Mesa Station, Arizona, US
• 689: U.S. Naval Observatory, Flagstaff, Arizona, US (NOFS)
• 690: Lowell Observatory, Flagstaff, Arizona, US
• 691: Steward Observatory, Kitt Peak-Spacewatch, Arizona, US
• 692: Steward Observatory, Tucson, Arizona, US
• 693: Catalina Station, Tucson, Arizona, US
• 694: Tumamoc Hill, Tucson, Arizona, US (Steward Observatory)
• 695: Kitt Peak National Observatory, Arizona, US
• 696: Whipple Observatory, Mt. Hopkins, Arizona, US (Fred Lawrence Whipple Observatory)
• 697: Kitt Peak, McGraw-Hill, Arizona, US (MDM Observatory)
• 698: Mt. Bigelow, Arizona, US
• 699: Lowell Observatory-LONEOS, Anderson Mesa Station, Arizona, US

700–799

• 700: Chinle, Arizona, US
• 701: Junk Bond Observatory, Sierra Vista, Arizona, US
• 702: Joint Obs. for cometary research, Socorro, New Mexico, US (now the site of Magdalena Ridge Observatory)
• 703: Catalina Sky Survey, Tucson, Arizona, US
• 704: Lincoln Laboratory ETS, New Mexico, US (now Lincoln Near-Earth Asteroid Research)
• 705: Apache Point, Sunspot, New Mexico, US (Apache Point Observatory)
• 706: Salida, Colorado, US
• 707: Chamberlin field station, Colorado, US
• 708: Chamberlin Observatory, Denver, Colorado, US
• 709: W & B Observatory, Cloudcroft, New Mexico, US
• 710: MPO Observatory, Florissant, Colorado, US
• 711: McDonald Observatory, Fort Davis, Texas, US
• 712: USAF Academy Observatory, Colorado Springs, Colorado, US
• 713: Thornton, Colorado, US
• 714: Bagdad, Arizona, US
• 715: Jornada Observatory, Las Cruces, New Mexico, US
• 716: Palmer Divide Observatory, Colorado Springs, Colorado, US
• 717: Prude Ranch, Texas, US
• 718: University of Utah, Tooele, Utah, US
• 719: Etscorn Observatory, Socorro, New Mexico, US ( Frank T. Etscorn Campus Observatory New Mexico Tech Astronomy Club)
• 720: Universidad de Monterrey, Nuevo León, Mexico
• 721: Lime Creek, Nebraska, US (Lime Creek Observatory)
• 722: Missouri City, Texas, US
• 723: Cottonwood Observatory, Ada, Oklahoma, US
• 724: National Observatory, Tacubaya, Mexico (Observatorio Astronómico Nacional; Observatorio de Tacubaya)
• 725: Fair Oaks Ranch, Fair Oaks Ranch, Texas, US (Fair Oaks Ranch Observatory)
• 726: Brainerd, Minnesota, US (Fire in the Sky Observatory)
• 727: Zeno Observatory, Edmond, Oklahoma, US
• 728: Corpus Christi, Texas, US
• 729: Glenlea Astronomical Observatory, Winnipeg, Manitoba, Canada
• 730: University of North Dakota, Grand Forks, North Dakota, US
• 731: Rose-Hulman Observatory, Terre Haute, Indiana, US
• 732: Oaxaca, Oaxaca, Mexico
• 733: Allen, Texas, US
• 734: Farpoint Observatory, Eskridge, Kansas, US
• 735: George Observatory, Needville, Texas, US
• 736: Houston, Texas, US
• 737: New Bullpen Observatory, Alpharetta, Georgia, US
• 738: Observatory of the State University of Missouri, Missouri, US
• 739: Sunflower Observatory, Olathe, Kansas, US
• 740: SFA Observatory, Nacogdoches, Texas, US
• 741: Goodsell Observatory, Northfield, Minnesota, US
• 742: Drake University, Des Moines, IA
• 743: University of Minnesota, Minneapolis, Minnesota, US
• 744: Doyan Rose Observatory, Indianapolis, Indiana, US
• 745: Glasgow, Missouri, US
• 746: Brooks Astronomical Observatory, Mt. Pleasant, Michigan, US
• 747: Highland Road Park Observatory, Louisiana, US (a.k.a. Baton Rouge Observatory)
• 748: Van Allen Observatory, Iowa City, Iowa, US
• 749: Oakwood, Georgia, US
• 750: Hobbs Observatory, Fall Creek, Wisconsin, US
• 751: Lake Saint Louis, Missouri, US
• 752: Puckett Observatory, Mountain Town, Georgia, US
• 753: Washburn Observatory, Madison, Wisconsin, US
• 754: Yerkes Observatory, Williams Bay, Wisconsin, US
• 755: Optec Observatory, Michigan, US
• 756: Dearborn Observatory, Evanston, Illinois, US
• 757: High Point, North Carolina, US
• 758: BCC Observatory, Cocoa, Florida, US (Astronaut Memorial Planetarium & Observatory; BCC = Brevard Community College)
• 759: Nashville, Tennessee, US
• 760: Goethe Link Observatory, Brooklyn, Indiana, US
• 761: Zephyrhills, Florida, US (Quail Hollow Observatory)
• 762: Four Winds Observatory, Lake Leelanau, Michigan, US
• 763: King City, Ontario, Canada
• 764: Puckett Observatory, Stone Mountain, Georgia, US
• 765: Cincinnati, Ohio, US (Cincinnati Observatory)
• 766: Michigan State University Obs., East Lansing, Michigan, US
• 767: Ann Arbor, Michigan, US (Angell Hall Observatory)
• 768: Dearborn, Michigan, US (UM-Dearborn Observatory)
• 769: McMillin Observatory, Columbus, Ohio, US
• 770: Crescent Moon Observatory, Columbus, Ohio, US
• 771: Boyeros Observatory, Havana, Cuba (Observatorio de Rancho Boyeros)
• 772: Boltwood Observatory, Stittsville, Ontario, Canada
• 773: Warner and Swasey Observatory, Cleveland, Ohio, US
• 774: Warner and Swasey Nassau Station, Chardon, Ohio, US
• 775: Sayre Observatory, South Bethlehem, Pennsylvania, US
• 776: Foggy Bottom, Hamilton, New York, US (Foggy Bottom Observatory)
• 777: Toronto, Ontario, Canada
• 778: Allegheny Observatory, Pittsburgh, Pennsylvania, US
• 779: David Dunlap Observatory, Richmond Hill, Ontario, Canada
• 780: Leander McCormick Observatory, Charlottesville, Virginia, US
• 781: Quito, Ecuador
• 782: Quito, comet astrograph station, Ecuador
• 783: Rixeyville, Virginia, US
• 784: Stull Observatory, Alfred University, New York, US
• 785: Fitz-Randolph Observatory, Princeton, New Jersey, US
• 786: U.S. Naval Obs., Washington (since 1893), District of Columbia, US
• 787: U.S. Naval Obs., Washington (before 1893), District of Columbia, US
• 788: Mount Cuba Observatory, Wilmington, Delaware, US
• 789: Litchfield Observatory, Clinton, Oneida County, New York, US (Hamilton College)
• 790: Dominion Observatory, Ottawa, Ontario, Canada
• 791: Flower and Cook Observatory, Philadelphia, Pennsylvania, US
• 792: University of Rhode Island, Quonochontaug, Rhode Island, US
• 793: Dudley Observatory, Albany (before 1893), New York, US
• 794: Vassar College Observatory, Poughkeepsie, New York, US
• 795: Rutherford, New York, US
• 796: Stamford, Connecticut, US
• 797: Yale Observatory, New Haven, Connecticut, US (Yale University Observatory)
• 798: Yale Observatory, Bethany, Connecticut, US (Yale University Observatory)
• 799: Winchester, Massachusetts, US

800–899

• 800: Harvard Observatory, Arequipa, Peru (Boyden Station)
• 801: Oak Ridge Observatory, Massachusetts, US
• 802: Harvard Observatory, Cambridge, Massachusetts, US (Harvard College Observatory)
• 803: Taunton, Massachusetts, US
• 804: Santiago-San Bernardo
• 805: Santiago-Cerro El Roble, Santiago, Chile (Cerro El Roble Observatory)
• 806: Santiago-Cerro Calán, Santiago, Chile (National Astronomical Observatory (Chile)
• 807: Cerro Tololo Observatory, La Serena, Coquimbo, Chile (Cerro Tololo Inter-American Observatory)
• 808: El Leoncito, San Juan, Argentina (became the Dr. Carlos U. Cesco Observatory (Estación de Altura Carlos Ulrico Cesco) in 1990; seems to be the same as the Observatorio Félix Aguilar, San Juan National University)
• 809: European Southern Observatory, La Silla, Coquimbo, Chile (La Silla Observatory)
• 810: Wallace Observatory, Westford, Massachusetts, US (George R. Wallace Jr. Astrophysical Observatory (WAO))
• 811: Maria Mitchell Observatory, Nantucket, Massachusetts, US
• 812: Viña del Mar
• 813: Santiago-Quinta Normal (1862–1920), Santiago, Chile (National Astronomical Observatory (Chile)
• 814: North Scituate
• 815: Santiago-Santa Lucia (1849–1861), Santiago, Chile (National Astronomical Observatory (Chile)
• 816: Rand Observatory
• 817: Sudbury, Massachusetts, US
• 818: Gémeaux Observatory, Laval, Québec, Canada (Observatoire Gémeaux)
• 819: Val-des-Bois, Québec, Canada
• 820: Tarija
• 821: Córdoba-Bosque Alegre, Córdoba, Argentina (Estación Astrofísica de Bosque Alegre, Observatorio Astronómico de Córdoba)
• 822: Córdoba, Argentina (Observatorio Astronómico de Córdoba)
• 823: Fitchburg
• 824: Lake Clear
• 825: Granville
• 826: Plessissville, Québec, Canada
• 827: Saint-Félicien, Québec, Canada
• 828: Assonet
• 829: Complejo Astronómico El Leoncito, San Juan Province, Argentina (CASLEO)
• 830: Hudson
• 831: Rosemary Hill Observatory, University of Florida, Florida, US
• 832: Etters
• 833: Obs. Astronomico de Mercedes, Buenos Aires
• 834: Buenos Aires-AAAA, Argentina
• 835: Drum Hill Station, Chelmsford
• 836: Furnace Brook Observatory, Cranston
• 837: Jupiter
• 838: Dayton
• 839: La Plata (La Plata Astronomical Observatory; Observatorio Astronómico de La Plata)
• 840: Flint, Michigan, US
• 841: Martin Observatory, Blacksburg, Virginia, US
• 842: Gettysburg College Observatory, Pennsylvania, US
• 843: Emerald Lane Observatory, Decatur, Alabama, US
• 844: Los Molinos, Montevideo, Uruguay (Observatorio Astronómico Los Molinos)
• 845: Clinton B. Ford Observatory, Ithaca, New York, US
• 846: Principia Astronomical Observatory, Elsah, Illinois, US
• 847: Lunar Cafe Observatory
• 848: Tenagra Observatory, Cottage Grove, Oregon, US
• 849: Everstar Observatory, Olathe, Kansas, US (EverStaR Observatory)
• 850: Cordell-Lorenz Observatory, Sewanee, Tennessee, US
• 851: Burke-Gaffney Observatory, Halifax
• 852: River Moss Observatory, St. Peters
• 853: Biosphere 2 Observatory
• 854: Sabino Canyon Observatory, Tucson, Arizona, US
• 855: Wayside Observatory, Minnetonka, Minnesota, US
• 856: Roach Motel Observatory, Riverside, California, US
• 857: Iowa Robotic Observatory, Sonoita, Arizona, US
• 858: Tebbutt Observatory, Edgewood
• 859: Wykrota Observatory-CEAMIG, Minas Gerais, Brazil (Observatório Wykrota – CEAMIG (Centro de Estudos Astronômicos de Minas Gerais))
• 860: Valinhos
• 861: Barão Geraldo
• 862: Saku
• 863: Furukawa
• 864: Kumamoto (KCAO (Kumamoto Civil Astronomical Observatory), Kumamoto, Kumamoto, Japan)
• 865: Emmy Observatory, New Paltz
• 866: U.S. Naval Academy, Michelson
• 867: Saji Observatory
• 868: Hidaka Observatory
• 869: Tosa
• 870: Campiñas (Observatório de Campinas, a.k.a. Observatório Municipal de Campinas "Jean Nicolini")
• 871: Akou
• 872: Tokushima
• 873: Kurashiki Observatory
• 874: Itajuba
• 875: Yorii
• 876: Honjo
• 877: Okutama
• 878: Kagiya
• 879: Tōkai (Tōkai, Aichi, Japan)
• 880: Rio de Janeiro
• 881: Toyota
• 882: JCPM Oi Station
• 883: Shizuoka (Shizuoka, Shizuoka, Japan)
• 884: Kawane
• 885: JCPM Yakiimo Station
• 886: Mishima (Mishima, Shizuoka, a.k.a. Susono, Shizuoka, Japan)
• 887: Ojima (Ojima, Gunma, Japan)
• 888: Gekko Observatory
• 889: Karasuyama (Karasuyama, Tochigi, Japan)
• 890: JCPM Tone Station
• 891: JCPM Kimachi Station
• 892: YGCO Hoshikawa and Nagano Stations
• 893: Sendai Municipal Observatory (Sendai Astronomical Observatory)
• 894: Kiyosato
• 895: Hatamae
• 896: Yatsugatake South Base Observatory (near 386 Yatsugatake-Kobuchizawa)
• 897: YGCO Chiyoda Station (YGCO: Yamaneko Group of Comet Observers)
• 898: Fujieda (Fujieda, Shizuoka, Japan)
• 899: Toma

900–999

• 900: Moriyama (Moriyama, Shiga, Japan)
• 901: Tajimi
• 902: Ootake
• 903: Fukuchiyama and Kannabe (Fukuchiyama and Kannabe Observatory, Japan)
• 904: Go-Chome and Kobe-Suma
• 905: Nachi-Katsuura Observatory
• 906: Cobram
• 907: Melbourne
• 908: Toyama
• 909: Snohomish Hilltop Observatory
• 910: Caussols-ODAS
• 911: Collins Observatory, Corning Community College, Corning, New York, US
• 912: Carbuncle Hill Observatory, Greene
• 913: Observatorio Kappa Crucis, Montevideo
• 914: Underwood Observatory, Hubbardston
• 915: River Oaks Observatory, New Braunfels, Texas, US
• 916: Oakley Observatory, Terre Haute, Indiana, US
• 917: Pacific Lutheran University Keck Observatory
• 918: Badlands Observatory, Quinn, Sorth Dakota, US
• 919: Desert Beaver Observatory, Arizona, US
• 920: RIT Observatory, Rochester, New York, US (Rochester Institute of Technology)
• 921: SW Institute for Space Research, Cloudcroft, Arizona, US
• 922: Timberland Observatory, Decatur
• 923: The Bradstreet Observatory, St. Davids, Pennsylvania, US
• 924: Observatoire du Cégep de Trois-Rivières
• 925: Palominas Observatory
• 926: Tenagra II Observatory, Arizona, US
• 927: Madison-YRS
• 928: Moonedge Observatory, Northport
• 929: Port Allen
• 930: Tahiti
• 931: Punaauia, French Polynesia
• 932: John J. McCarthy Obs., New Milford
• 933: Rockland Observatory, Sierra Vista
• 934: Poway Valley
• 935: Wyrick Observatory, Haymarket
• 936: Ibis Observatory, Manhaatan
• 937: Bradbury Observatory, Stockton-on-Tees
• 938: Linhaceira
• 939: Observatorio Rodeno
• 940: Waterlooville
• 941: Observatorio Astronomico Pla D'Arguines
• 942: Grantham
• 943: Peverell
• 944: Observatorio Geminis, Dos Hermanas
• 945: Observatorio Monte Deva
• 946: Ametlla de Mar Observatory
• 947: Saint-Sulpice
• 948: Pymoor
• 949: Durtal
• 950: La Palma, Spain (Roque de los Muchachos Observatory)
• 951: Highworth
• 952: Marxuquera
• 953: Montjoia
• 954: Teide Observatory, Tenerife, Canary Islands, Spain
• 955: Sassoeiros
• 956: Observatorio Pozuelo
• 957: Merignac
• 958: Observatoire de Dax
• 959: Ramonville Saint Agne
• 960: Rolvenden
• 961: City Observatory, Edinburgh
• 962: Gandia
• 963: Werrington
• 964: Southend Bradfield
• 965: Observação Astronómica no Algarve, Portimão, Portugal (COAA: Centro de Observação Astronómica no Algarve)
• 966: Church Stretton
• 967: Greens Norton
• 968: Haverhill
• 969: London-Regents Park, London, United Kingdom (George Bishop's Observatory, Regent's Park, 1836–1861)
• 970: Chelmsford
• 971: Lisbon
• 972: Dun Echt
• 973: Harrow
• 974: Genoa
• 975: Valencia
• 976: Leamington Spa
• 977: Markree (Markree Observatory, County Sligo, Ireland)
• 978: Conder Brow
• 979: South Wonston
• 980: Lancaster
• 981: Armagh
• 982: Dunsink Observatory, Dublin, Ireland
• 983: San Fernando
• 984: Eastfield
• 985: Telford
• 986: Ascot
• 987: The Isle of Man Observatory
• 988: Glasgow
• 989: Wilfred Hall Observatory, Preston
• 990: Madrid, Spain (Observatorio Astronómico de Madrid)
• 991: Liverpool (since 1867)
• 992: Liverpool (before 1867)
• 993: Woolston Observatory
• 994: Godalming
• 995: Durham (Durham University Observatory)
• 996: Oxford (Radcliffe Observatory)
• 997: Hartwell
• 998: London-Mill Hill (University of London Observatory)
• 999: Bordeaux-Floirac (Observatoire de Bordeaux)

A00–A99

• A00: Gravesend, U.K.
• A01: Masia Cal Maciarol Modul 2
• A02: Masia Cal Maciarol Modul 8
• A03: Torredembarra
• A04: Saint-Caprais
• A05: Belesta
• A06: Mataró
• A07: Gretz-Armainvilliers
• A08: Malibert
• A09: Quincampoix
• A10: Observatorio Astronómico de Conbera
• A11: Wormhout
• A12: Stazione Astronomica di Sozzago
• A13: Observatoire Robert A. Naef, Ependes, Switzerland (Observatory Naef Ependes)
• A14: Les Engarouines Observatory
• A15: Josef Bresser Sternwarte, Borken
• A16: Tentlingen
• A17: Guidestar Observatory, Weinheim
• A18: Herne
• A19: Köln
• A20: Sögel
• A21: Irmtraut
• A22: Starkenburg Sternwarte-SOHAS
• A23: Weinheim, Germany (Sternwarte Weinheim)
• A24: New Millennium Observatory, Mozzate
• A25: Nova Milanese
• A26: Darmstadt
• A27: Eridanus Observatory, Langelsheim
• A28: Kempten
• A29: Santa Maria a Monte
• A30: Crespadoro
• A31: Corcaroli Observatory
• A32: Panker
• A33: Volkssternwarte Kirchheim
• A34: Grosshabersdorf
• A35: Hormersdorf Observatory
• A36: Ganda di Aviatico
• A37: Mueggelheim
• A38: Campocatino Automated Telescope, Collepardo
• A39: Altenburg
• A40: Pieta
• A41: Rezman Observatory, Kamnik
• A42: Gehrden
• A43: Inastars Observatory, Potsdam
• A44: Altschwendt
• A45: Karrenkneul
• A46: Lelekovice
• A47: Matera
• A48: Povegliano Veronese
• A49: Uppsala University-Ångström laboratory^[2]
• A50: Andrushivka Astronomical Observatory
• A51: Danzig
• A52: Etyek
• A53: Peschiera del Garda
• A54: Ostrorog
• A55: Osservatorio Astronomico Vallemare di Borbona, Italy^[3]
• A56: Parma
• A57: Osservatorio Astron. Margherita Hack, Firenze
• A58: Observatoire de Chalandray-Canotiers
• A59: Karlovy Vary Observatory
• A60: YSTAR-NEOPAT Station, Sutherland
• A61: Tortona
• A62: Aichtal
• A63: Cosmosoz Obs., Tassin la Demi Lune
• A64: Couvaloup de St-Cergue
• A65: Le Couvent de Lentin
• A66: Stazione Osservativa Astronomica, Livorno
• A67: Chiusa di Pesio
• A68: Swedenborg Obs., Bockholmwik
• A69: Osservatorio Palazzo Bindi Sergardi
• A70: Lumijoki
• A71: Stixendorf
• A72: Radebeul Observatory (Sternwarte "Adolph Diesterweg" Radebeul, Germany)
• A73: Penzing Astrometric Obs., Vienna
• A74: Bergen-Enkheim Observatory, Germany
• A75: Fort Pius Observatory, Barcelona
• A76: Andromeda Observatory, Miskolc
• A77: Observatoire Chante-Perdrix, Dauban, Haute-Provence, France
• A78: Stia
• A79: Zvezdno Obshtestvo Observatory, Plana
• A80: Lindenberg Observatory
• A81: Balzaretto Observatory, Rome
• A82: Osservatorio Astronomico di Trieste
• A83: Jakokoski Observatory
• A84: TUBITAK National Observatory, Antalya, Turkey
• A85: Odessa Astronomical Observatory, Kryzhanovka, Ukraine
• A86: Albigneux
• A87: Rimbach
• A88: Bolzaneto
• A89: Sterni Observatory, Kempten
• A90: Sant Gervasi Observatory, Barcelona
• A91: Hankasalmi Observatory, Hankasalmi, Finland
• A92: Urseanu Observatory, Bucharest
• A93: Lucca
• A94: Cormons
• A95: Taurus Hill Observatory, Varkaus
• A96: Klosterneuburg
• A97: Stammersdorf
• A98: Taurus-1 Observatory, Baran, Belarus
• A99: Osservatorio del Monte Baldo

B00–B99

• B00: Savigny-le-Temple
• B01: Taunus Observatory, Frankfurt, Germany
• B02: Kielce
• B03: Alter Satzberg, Vienna
• B04: Saint-Barthelemy Observatory
• B05: Ka-Dar Observatory, Barybino, Moscow region
• B06: Montseny Astronomical Observatory, Spain
• B07: Camorino
• B08: San Lazzaro di Savena
• B09: Capannoli, Italy Pietro Dora Vivarelli ASA
• B10: Observatoire du Mas des Gres, Moydans (LightBuckets as of November 2011)
• B11: Osservatorio Cima Rest, Imola
• B12: The Koschny Observatory, Noordwijkerhout
• B13: Osservatorio di Tradate
• B14: Ca del Monte
• B15: Inastars Observatory, Potsdam (since 2006)
• B16: 1st Moscow Gymnasium Observatory, Lipki
• B17: AZT-8 Evpatoria
• B18: Terskol
• B19: Observatori Iluro, Mataró
• B20: Observatori Carmelita, Tiana
• B21: Gaisberg Observatory (Sternwarte Gaisberg), Schaerding (Schärding, Austria)
• B22: Observatori d'Àger, Barcelona, Spain
• B23: Fiamene, Italy
• B24: Cesson
• B25: Catania
• B26: Observatoire des Terres Blanches, Reillanne
• B27: Picard Observatory, St. Veit
• B28: Mandi Observatory, Pagnacco, Italy
• B29: L'Ampolla Observatory, Tarragona
• B30: Szamotuly-Galowo, Poland
• B31: Southern African Large Telescope (SALT), Sutherland
• B32: Observatory Gelenau(Germany)
• B33: Libbiano Observatory, Peccioli – AAAV
• B34: Green Island Observatory, Geçitkale, Cyprus
• B35: Bareket observatory, Macabim, Israel.
• B36: Redshed Observatory, Kallham
• B37: Obs. de L' Ametlla del Valles, Barcelona
• B38: Santa Mama
• B39: Tradate
• B40: Skylive Observatory, Catania, Italy (Gruppo Astrofili Catanesi)
• B41: Zlin Observatory
• B42: Vitebsk
• B43: Hennef
• B44: Eygalayes, France
• B45: Narama
• B46: Sintini Observatory, Argenta
• B47: Metsala Observatory, Espoo
• B48: Bocholt
• B49: Paus Observatory, Sabadell
• B50: Corner Observatory, Durmersheim
• B51: Vallauris
• B52: Observatorio El Far
• B53: Casal Lumbroso, Rome
• B54: Àger, Spain
• B55: Comeglians
• B56: Observatorio Sant Pere, Mataró
• B57: Laietania Observatory, Parets del Vallès
• B58: Polaris Observatory, Budapest
• B59: Borken
• B60: Deep Sky Observatorium, Bad Bentheim
• B61: Valldoreix Obs.,Sant Cugat del Valles
• B62: Brelingen
• B63: Solaris Observatory, Luczanowice
• B64: Slope Rock Observatory, Hyvinkaa
• B65: Komakallio Observatory, Kirkkonummi
• B66: Osservatorio Astronomico Naturalistico A. Zanassi di Casasco
• B67: Sternwarte Mirasteilas, Falera, Switzerland
• B68: Mount Matajur Observatory
• B69: Owls and Ravens Observatory, Holzgerlingen
• B70: Sant Celoni
• B71: Observatorio El Vendrell
• B72: Soerth
• B73: Mauren Valley Observatory, Holzgerlingen
• B74: Santa María de Montmagastrell
• B75: Stazione Astronomica Betelgeuse, Magnago
• B76: Sternwarte Schönfeld, Dresden
• B77: Schafmatt Observatory, Aarau
• B78: Astrophoton Observatory, Audorf
• B79: Marana Observatory
• B80: Osservatorio Astronomico Campomaggiore
• B81: Observatorio Astronómico Caimari
• B82: Maidbronn
• B83: Gières
• B84: Cyclops Observatory, Oostkapelle
• B85: Beilen Observatory
• B86: Sternwarte Hagen, Germany
• B87: Banyoles
• B88: Bigmuskie Observatory, Mombercelli
• B89: Observatori Astronòmic de Tiana
• B90: Malina River Observatory, Povoletto
• B91: Bollwiller
• B92: Chinon
• B93: Hoogeveen
• B94: Petrozavodsk, Russia
• B95: Achternholt
• B96: Brixiis Observatory, Kruibeke
• B97: Sterrenwacht Andromeda, Meppel
• B98: Siena
• B99: Santa Coloma de Gramenet

C00–C99

• C00: Velikie Luki, Russia
• C01: Lohrmann-Observatorium, Triebenberg, Germany
• C02: Observatorio Royal Park, Spain
• C03: Clayhole Observatory, Jokela, Finland
• C04: Kramatorsk, Ukraine
• C05: Königsleiten, Austria
• C06: Krasnoyarsk, Russia (Siberian State Aerospace University Observatory)
• C07: Anysllum Observatory, Àger, Spain
• C08: Fiby, Sweden
• C09: Rouet, France
• C10: Maisoncelles, France
• C11: City Observatory, Slaný, Czech Republic
• C12: Berta Observatory, Sabadell, Spain
• C13: Como, Italy
• C14: Sky Vistas Observatory, Eichgraben, Austria
• C15: ISON-Ussuriysk, Russia
• C16: Isarwinkel Observatory, Bad Tölz, Germany
• C17: Observatorio Joan Roget, Àger, Spain
• C18: Frasnes-Lez-Anvaing, Belgium
• C19: ROSA Observatory, Vaucluse, France
• C20: Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs., Russia
• C21: Observatorio Via Lactea, Àger, Spain
• C22: Oberwiesenthal, Germany
• C23: Olmen, Belgium
• C24: Seveso, Italy
• C25: Pulkovo Observatory Station, Campo Imperatore, Italy
• C26: Levendaal Observatory, Leiden, Netherlands
• C27: Pallerols, Spain
• C28: Wellinghofen, Germany
• C29: Observatori Astronómic de Les Planes de Son, Spain
• C30: Petrozavodsk University Obs., Sheltozero Stn., Russia
• C31: Sternwarte Neanderhoehe Hochdahl e.V., Erkrath, Germany
• C32: Ka-Dar Observatory, TAU Station, Nizhny Arkhyz, Russia
• C33: Observatorio CEAM, Caimari, Canary Islands, Spain
• C34: Baja Astronomical Observatory, Hungary
• C35: Terrassa, Spain
• C36: Starry Wanderer Observatory, Baran', Belarus
• C37: Stowupland, England, UK
• C38: Varuna Observatory, Cuorgnè, Italy
• C39: Nijmegen, Netherlands
• C40: Kuban State University Astrophysical Observatory, Russia
• C41: MASTER-II Observatory, Kislovodsk, Russia
• C42: Xingming Observatory, Mt. Nanshan, China
• C43: Hoyerswerda, Germany
• C44: A. Volta Observatory, Lanzo d'Intelvi, Italy
• C45: MPC1 Cassia Observatory, La Giustiniana, Italy
• C46: Horizon Observatory, Petropavlovsk, Kazakhstan
• C47: Nonndorf, Austria
• C48: Sayan Solar Observatory, Irkutsk, Russia
• C49: STEREO-A (space observatory)
• C50: STEREO-B (space observatory)
• C51: WISE (space observatory)
• C52: Swift
• C53: NEOSSat
• C60: Argelander Institute for Astronomy Obs., Bonn, Germany
• C61: Chelles, France
• C62: Eurac Observatory, Bolzano, Italy
• C63: Giuseppe Piazzi Observatory, Ponte in Valtellina, Italy
• C64: Puchenstuben, Austria
• C65: Observatori Astronòmic del Montsec, Spain
• C66: Observatorio El Cielo de Consell, Balearic Islands, Spain
• C67: Gnevsdorf, Germany
• C68: Ellinogermaniki Agogi Observatory, Pallini, Greece
• C69: Bayerwald Sternwarte, Neuhütte, Germany
• C70: Uiterstegracht Station, Leiden, Netherlands
• C71: Sant Marti Sesgueioles, Spain
• C72: Palestrina, Italy
• C73: Galați Observatory, Romania
• C74: Observatorio El Teatrillo de Lyra, Àger, Spain
• C75: Whitestar Observatory, Borgobello, Italy
• C76: Observatorio Estels, Àger, Spain
• C77: Bernezzo Observatory, Italy
• C78: Martin S. Kraar Observatory, Rehovot, Israel
• C79: Roser Observatory, Blanes, Spain
• C80: Don Astronomical Observatory, Rostov-on-Don, Russia
• C81: Dolomites Astronomical Observatory, Italy
• C82: Osservatorio Astronomico Nastro Verde, Sorrento, Italy
• C83: Badalozhnyj Observatory, Russia
• C84: Badalona, Spain
• C85: Observatorio Cala d'Hort, Ibiza, Balearic Islands, Spain
• C86: Blanes, Spain
• C87: Rimbach, Germany
• C88: Montarrenti Observatory, Siena, Italy
• C89: Astronomical Station Vidojevica
• C90: Vinyols
• C91: Montevenere Observatory, Monzuno
• C92: Valdicerro Observatory, Loreto
• C93: Bellavista Observatory, L'Aquila
• C94: MASTER-II Observatory, Tunka
• C95: SATINO Remote Observatory, Haute Provence
• C96: OACL Observatory, Mosciano Sant Angelo
• C97: Al-Fulaij Observatory, Oman
• C98: Osservatorio Casellina, Scandicci, Italy
• C99: Observatori Can Roig, Llagostera, Catalonia, Spain

D00–D99

• D00: ISON-Kislovodsk Observatory, Kislovodsk, Russia
• D01: Andean Northern Observatory, Nummi-Pusula, Finland
• D02: Observatori Petit Sant Feliu, Sant Feliu de Llobregat, Catalonia, Spain
• D03: Rantiga Osservatorio, Tincana, Carpineti, Italy
• D04: Krasnodar, Russia
• D05: ISON-Terskol Observatory, Russia
• D06: Associazione Tuscolana di Astronomia, Domatore
• D07: Wegberg
• D08: Ghezz Observatory, Leontica
• D09: Observatory Grömme, Maasmechelen
• D14: Nanchuan Observatory, Guangzhou, China
• D16: Po Leung Kuk Observatory, Tuen Mun
• D17: Hong Kong
• D18: Mt. Guizi Observatory, China
• D19: Hong Kong Space Museum, Tsimshatsui, Hong Kong, China
• D20: Zadko Observatory, Wallingup Plain
• D21: Shenton Park
• D22: UWA Observatory, Crawley, Western Australia, Australia
• D24: LightBuckets Observatory, Pingelly', Western Australia, Australia
• D25: Tzec Maun Observatory, Pingelly', Western Australia, Australia
• D29: Purple Mountain Observatory, XuYi Station
• D32: JiangNanTianChi Observatory, Mt. Getianling
• D33: Kenting Observatory, Checheng, Taiwan
• D34: Kenting Observatory, Hengchun
• D35: Lulin Observatory
• D36: Tataka, Mt. Yu-Shan National Park
• D39: Shandong University Observatory, Weihai
• D44: Ishigakijima Astronomical Observatory
• D53: ISON-Blagovechensk Observatory
• D54: MASTER-II Observatory, Blagoveshchensk
• D55: Kangwon Science High School Observatory, Ksho
• D57: Gimhae Astronomical Observatory, Uhbang-dong
• D58: KSA SEM Observatory, Danggam-dong
• D61: Suntopia Marina, Sumoto
• D62: Miyaki-Argenteus
• D70: Tosa
• D74: Nakagawa (Anan Science Center Nakagawa Observatory, formerly Nakagawa Science Center Nakagawa Observatory, Japan)
• D78: Iga-Ueno
• D79: YSVP Observatory, Vale Park, SA, Australia
• D80: Gumma Astronomical Observatory
• D81: Nagano
• D82: Wallaroo
• D83: Miwa
• D84: Hallet Cove
• D85: Ingle Farm
• D86: Penwortham
• D87: Brooklyn Park
• D88: Hiratsuka
• D89: Yamagata (Yamagata Astronomical Observatory)
• D90: RAS Observatory, Moorook, SA, Australia
• D91: Adati
• D92: Osaki, Japan
• D93: Sendai Astronomical Observatory, Japan
• D94: Takanezawa, Tochigi, Japan
• D95: Kurihara
• D96: Tzec Maun Observatory, Moorook, SA, Australia
• D97: Berri, SA, Australia'

E00–E99

• E00: Castlemaine
• E01: South Yarra (Barfold)
• E03: RAS Observatory, Officer
• E04: Pacific Sky Observatory, Saipan
• E05: Earl Hill Observatory, Trinity Beach
• E07: Murrumbateman, NSW, Australia
• E08: Wobblesock Observatory, Coonabarabran
• E09: Oakley Southern Sky Observatory, Coonabarabran
• E10: Siding Spring-Faulkes Telescope South
• E11: Frog Rock Observatory, Mudgee
• E12: Siding Spring Survey
• E13: Wanniassa
• E14: Hunters Hill Observatory, Ngunnawal
• E15: Magellan Observatory, near Goulburn
• E16: Grove Creek Observatory, Trunkey
• E17: Leura
• E18: BDI Observatory, Bangor, (Near Sutherland South of Sydney)
• E19: Kingsgrove
• E20: Marsfield
• E21: Norma Rose Observatory, Leyburn, Queensland, Australia
• E22: Univ. of Southern Queensland Obs., Mt. Kent
• E23: Arcadia, Australia
• E24: Tangra Observatory, St. Clair, NSW, Australia
• E25: Rochedale (APTA)
• E26: RAS Observatory, Biggera Waters, Queensland, Australia
• E27: Thornlands, Queensland, Australia
• E28: Kuriwa Observatory, Hawkesbury Heights, NSW, Australia
• E81: Nelson, New Zealand
• E83: Wither Observatory, Witherlea
• E85: Farm Cove, Auckland, New Zealand
• E87: Turitea, New Zealand
• E89: Geyserland Observatory, Rotorua – Pukehangi, New Zealand
• E94: Possum Observatory, Gisborne, New Zealand

F00–F99

• F51: Pan-STARRS 1, Haleakala, Hawaii, US
• F52: Pan-STARRS 2, Haleakala, Hawaii, US
• F59: Ironwood Remote Observatory, Hawaii, US
• F60: Ironwood North Observatory, Hawaii, US
• F65: Haleakala-Faulkes Telescope North, Hawaii, US
• F84: Hibiscus Observatory, Punaauia, French Polynesia
• F85: Tiki Observatory, Punaauia, French Polynesia
• F86: Moana Observatory, Punaauia, French Polynesia

G00–G99

• G25: Sherbrooke
• G26: Fushan Observatory, Mt Shaohua
• G27: Fabra Observatory, Montsec
• G28: Wyncroft Observatory, Attleborough
• G29: Requena
• G30: Casselman
• G31: CCAT Trieste
• G32: Elena Remote Observatory, San Pedro de Atacama
• G33: Wickede
• G34: Oberfrauendorf
• G35: Elephant Head Obsevatory, Sahuarita
• G36: Calar Alto-CASADO
• G37: Lowell Observatory-Discovery Channel Telescope
• G38: Observatorio La Senda, Cabanillas del Campo
• G39: ROAD, San Pedro de Atacama
• G40: Slooh.com Canary Islands Observatory
• G41: Insperity Observatory, Humble
• G42: Observatorio Astronómico UAdeC, Saltillo, Mexico (Autonomous University of Coahuila Astronomical Observatory)
• G43: Observatorio Buenaventura Suarez, San Luis, Argentina
• G44: Observatorio Longa Vista, Itatiba, SP, Brazil
• G45: Space Surveillance Telescope, Atom Site
• G46: Northwest Florida State College Observatory, Florida, US
• G47: HillTopTop Observatory, Edgewood, New Mexico, US
• G48: Doc Greiner Research Obs., Rancho Hildalgo, New Mexico, US
• G49: Minnetonka, Minnesota, US
• G50: Organ Mesa Observatory, Las Cruces, New Mexico, US
• G51: Byrne Observatory, Sedgwick Reserve, California, US
• G52: Stone Edge Observatory, El Verano, California, US
• G53: Alder Springs Observatory, Auberry, California, US
• G54: Hemet, California, US
• G55: Bakersfield, California, US
• G56: Walnut Creek, California, US
• G57: Dilbert Observatory, Forest Grove, Oregon, US
• G58: Chabot Space and Science Center, Oakland, California, US
• G59: Maiden Lane Obs., Bainbridge Island, Washington, US
• G60: Carroll Observatory, Montecito, California, US
• G61: Pleasanton, California, US
• G62: Sunriver Nature Center Observatory, Sunriver, Oregon, US
• G63: Mill Creek Observatory, The Dalles, Oregon, US
• G64: Blue Canyon Observatory, California, US
• G65: Vulcan North, Lick Observatory, Mount Hamilton, California, US
• G66: Lake Forest Observatory, Forest Hills, California, US
• G67: Rancho del Sol Observatory, Camino, California, US
• G68: Sierra Stars Observatory, Markleeville, California, US
• G69: Thousand Oaks, California, US
• G70: Francisquito Observatory, Los Angeles, California, US
• G71: Rancho Palos Verdes, California, US
• G72: University Hills, California, US
• G73: Mount Wilson-TIE, California, US
• G74: Boulder Knolls Observatory, Escondido, California, US
• G75: Starry Knight Observatory, Coto de Caza, California, US
• G76: Altimira Observatory, Coto de Caza, California, US
• G77: Baldwin Lake, California, US
• G78: Desert Wanderer Observatory, El Centro, California, US
• G79: Goat Mountain Astronomical Research Station
• G80: Sierra Remote Observatories, Auberry, California, US
• G81: Temecula, California, US
• G82: SARA Observatory, Kitt Peak, Arizona, US
• G83: Mt. Graham-LBT, Arizona, US (Large Binocular Telescope)
• G84: Mount Lemmon SkyCenter, Arizona, US
• G85: Vermillion Cliffs Observatory, Kanab, Arizona, US
• G86: Tucson-Winterhaven, Arizona, US
• G87: Calvin M. Hooper Memorial Observatory, Hyde Park
• G88: LAMP Observatory, New River, Arizona, US
• G89: Kachina Observatory, Flagstaff, Arizona, US
• G90: Three Buttes Observatory, Tucson, Arizona, US
• G91: Whipple Observatory, Mt. Hopkins—2MASS (Fred Lawrence Whipple Observatory), Arizona, US
• G92: Jarnac Observatory
• G93: Sonoita Research Observatory, Sonoita, Arizona, US
• G94: Sonoran Skies Observatory, St. David, Arizona, US
• G95: Hereford Arizona Observatory, Hereford, Arizona, US
• G96: Mt. Lemmon Survey, Arizona, US
• G97: Astronomical League Alpha Observatory, Portal
• G98: Calvin-Rehoboth Observatory, Rehoboth, New Mexico, US
• G99: NF Observatory, Silver City, New Mexico, US

H00–H99

• H00: Tyrone
• H01: Magdalena Ridge Observatory, New Mexico Tech, New Mexico, US
• H02: Sulphur Flats Observatory, La Cueva, New Mexico, US
• H03: Sandia View Observatory, Rio Rancho, New Mexico, US
• H04: Santa Fe, New Mexico, US
• H05: Edmund Kline Observatory, Deer Trail, Colorado, US
• H06: RAS Observatory, Mayhill, New Mexico, US (RAS (Remote Astronomical Society) Observatory of New Mexico; a.k.a. New Mexico Skies Observatory)
• H07: 7300 Observatory, Cloudcroft, New Mexico, US
• H08: BlackBird Observatory, Cloudcroft, New Mexico, US
• H09: Antelope Hills Observatory, Bennett, New Mexico, US
• H10: Tzec Maun Foundation Observatory, Mayhill, New Mexico, US
• H11: LightBuckets Observatory, Rodeo, New Mexico, US (LightBuckets re-located to B10 in 2011)
• H12: TechDome, Mayhill, New Mexico, US
• H13: Lenomiya Observatory, Casa Grande, Arizona, US
• H14: Morning Star Observatory, Tucson, Arizona, US
• H15: ISON-NM, Mayhill, New Mexico, US
• H16: HUT Observatory, Eagle, Colorado, US
• H17: Angel Peaks Observatory, Colorado, US
• H18: Vail, Arizona, US
• H19: Lone Star Observatory, Caney, Oklahoma, US
• H20: Eastern Illinois University Obs., Charleston, Illinois, US
• H21: Astronomical Research Observatory, Westfield, Illinois, US
• H22: Terre Haute, Indiana, US
• H23: Pear Tree Observatory, Valparaiso
• H24: J. C. Veen Observatory, Lowell
• H25: Harvest Moon Observatory, Northfield
• H26: Doc Greiner Research Observatory, Janesvillle
• H27: Moonglow Observatory, Warrensburg
• H28: Preston Hills Observatory, Celina
• H29: Ivywood Observatory, Edmond
• H30: University of Oklahoma Observatory, Norman, Oklahoma, US
• H31: Star Ridge Observatory, Weimar
• H32: Texas A&M Physics Observatory, College Station, Texas, US
• H33: Bixhoma Observatory, Bixby, Oklahoma, US
• H34: Chapel Hill
• H35: Leavenworth
• H36: Sandlot Observatory, Scranton, Kansas, US
• H37: Grems Timmons Observatories, Graettinger
• H38: Timberline Observatory, Urbandale
• H39: S.O.S. Observatory, Minneapolis, Minnesota, US
• H40: Nubbin Ridge Observatory
• H41: Petit Jean Mountain, Arkansas, US
• H42: Wartburg College Observatory, Waverly
• H43: Conway
• H44: Cascade Mountain
• H45: Petit Jean Mountain South, Arkansas, US
• H46: Ricky Observatory, Blue Springs, Missouri, US
• H47: Vicksburg, Mississippi, US
• H48: PSU Greenbush Observatory, Pittsburg, US
• H49: ATU Astronomical Observatory, Russellville, Arkansas, US
• H50: University of Central Arkansas Obs., Conway, Arkansas, US
• H51: Greiner Research Observatory, Verona, Wisconsin, US
• H52: Hawkeye Observatory, Durand
• H53: Thompsonville
• H54: Cedar Drive Observatory, Pulaski
• H55: Astronomical Research Observatory, Charleston, Illinois, US (Antares Observatory)
• H56: Northbrook Meadow Observatory
• H57: Ohio State University Observatory, Lima, Ohio, US
• H58: NASA/MSFC ALaMO, Redstone Arsenal
• H59: Prairie Grass Observatory, Camp Cullom
• H60: Heartland Observatory, Carmel, Indiana, US
• H61: Newcastle
• H62: Calvin College Observatory
• H63: DeKalb Observatory, Auburn
• H64: Thomas More College Observatory, Crestview Hills
• H65: Waltonfields Observatory, Walton
• H66: Yellow Springs
• H67: Stonegate Observatory, Ann Arbor, Michigan, US
• H68: Red Barn Observatory, Ty Ty, Georgia, US
• H69: Ohio Wesleyan University, Ohio, US
• H70: Asheville
• H71: Chula
• H72: Evelyn L. Egan Observatory, Fort Myers, Florida, US
• H73: Lakeland Astronomical Observatory, Kirtland, Florida, US
• H74: Bar J Observatory, New Smyrna Beach, Florida, US
• H75: Indian Hill North Observatory, Huntsburg
• H76: Oakridge Observatory, Miami, Florida, US
• H77: Buehler Observatory
• H78: University of Nariño Observatory, Pasto
• H79: York University Observatory, Toronto, Ontario, Canada
• H80: Halstead Observatory, Princeton
• H81: Hartung-Boothroyd Observatory, Ithaca, New York, US
• H82: CBA-NOVAC Observatory, Front Royal, Virginia, US
• H83: Timberlake Observatory, Oakton
• H84: Northview Observatory, Mendon
• H85: Silver Spring, Maryland, US
• H86: CBA-East Observatory, Laurel, Maryland, US
• H87: Fenwick Observatory, Richmond
• H88: Hope Observatory, Belcamp
• H89: Galaxy Blues Observatory, Gatineau, Québec, Canada
• H90: Ottawa, Ontario, Canada
• H91: Reynolds Observatory, Potsdam, New York, US
• H92: Arcturus Observatory
• H93: Berkeley Heights
• H94: Cedar Knolls
• H95: NJIT Observatory, Newark, New Jersey, US
• H96: Observatoire des Pléïades, Mandeville
• H97: Talcott Mountain Science Center, Avon, Connecticut, US
• H98: Dark Roseanne Obs., Middlefield, Connecticut, US
• H99: Sunhill Observatory, Newton, Massachusetts, US

I00–I99

• I00: Carbuncle Hill Observatory, Coventry, Rhode Island, US
• I01: Clay Center Observatory, Brookline, Massachusetts, US
• I02: Cerro Tololo Observatory, La Serena—2MASS, Coquimbo, Chile (Cerro Tololo Inter-American Observatory)
• I03: European Southern Obs., La Silla—ASTROVIRTEL, Coquimbo, Chile (La Silla Observatory)
• I04: Mamalluca Observatory, Vicuña, Coquimbo, Chile
• I05: Las Campanas Observatory-TIE, Chile
• I06: Werner Schmidt Obs., Dennis-Yarmouth Regional HS"", South Yarmouth, Massachusetts, US
• I07: Conlin Hill Observatory, Oxford, Massachusetts, US
• I08: Alianza S4, Cerro Burek, El Leoncito, San Juan, Argentina
• I09: Cerro Armazones, Chile
• I10: Campo Catino Austral Obs., San Pedro de Atacama, Chile (Campo Catino Austral Observatory Survey ^[4])
• I11: Gemini South Observatory, Cerro Pachón, Chile
• I12: Phillips Academy Observatory, Andover, Massachusetts, US
• I13: Burleith Observatory, Washington D.C., US
• I14: Tigh Speuran Observatory, Framingham, Massachusetts, US
• I15: Wishing Star Observatory, Barrington, Massachusetts, US
• I16: IAA-AI Atacama, San Pedro de Atacama, Chile
• I17: Thomas G. Cupillari Observatory, Fleetville, Pennsylvania, US
• I18: Fan Mountain Observatory, Covesville, Virginia, US
• I19: Observatorio El Gato Gris, Tanti, Córdoba, Argentina
• I20: Observatorio Salvador, Rio Cuarto, Córdoba, Argentina
• I21: El Condor Observatory, Córdoba, Argentina
• I22: Abbey Ridge Observatory, Stillwater Lake, Pocono Summit, Pennsylvania, US
• I23: Frosty Cold Observatory, Mash Harbor, Maine, US
• I24: Lake of the Woods Observatory, Locust Grove, Virginia, US
• I25: ECCCO Observatory, Bosque Alegre, Córdoba, Argentina
• I26: Observatorio Kappa Crucis, Córdoba, Córdoba, Argentina
• I27: Barred Owl Observatory, Carp, Canada
• I28: Starhoo Observatory, Lakeville, Massachusetts, US
• I29: Middlesex School Observatory, Concord, Massachusetts, US
• I30: Observatorio Geminis Austral, Rosario, Santa Fe, Argentina
• I31: Observatorio Astronomico del Colegio Cristo Rey, Rosario, Santa Fe, Argentina
• I32: Observatorio Beta Orionis, Rosario, Santa Fe, Argentina
• I33: SOAR, Cerro Pachón, Chile
• I34: Morgantown, Pennsylvania, US
• I35: Sidoli, Buenos Aires, Argentina (Observatorio Sidoli)
• I36: Observatorio Los Campitos, Cañuela, Argentina
• I37: Astrodomi Observatory, Santa Rita , Argentina
• I38: Observatorio Los Algarrobos, Salto, Uruguay
• I39: Observatorio Cruz del Sur, San Justo, Buenos Aires, Argentina
• I40: La Silla--TRAPPIST, Chile
• I41: Palomar Mountain—PTF, California, US
• I42: Westport Observatory
• I43: Tarleton State University Obs., Stephenville, Texas, US
• I44: Northwest Florida State College, Niceville, Florida, US
• I45: Observatorio W Crucis, San Justo, Buenos Aires, Argentina
• I46: The Cottage Observatory, Altoona, Pennsylvania, US
• I47: Pierre Auger Observatory, Malargüe, Mendoza, Argentina
• I48: Observatorio El Catalejo, Santa Rosa, La Pampa, Argentina
• I49: Sunflower Observatory, Santa Fe, New Mexico, US
• I50: P2 Observatory, Mayhill, New Mexico, US
• I51: Clinton
• I52:Steward Observatory, Mt. Lemmon Station
• I53: Armilla
• I54: Observatorio Las Vaguadas, Badajoz
• I55: Valencia
• I56: Observatorio Astronómico John Beckman, Almería, Spain
• I57: Elche
• I58: Bétera
• I59: Observatorio Antares, Muriedas Camargo, Cantabria, Spain
• I60: Guernanderf
• I61: Ourense
• I62: Observatorio Helios Ontigola
• I63: Cygnus Observatory, New Airesford
• I64: Maidenhead
• I65: Yunquera
• I66: Taurus Australis Observatory, Brasília, Brazil
• I67: Hartley Wintney
• I68: Pousada dos Anoes Observatory, Brazil
• I69: AGM Observatory, Marrakech
• I70: Gedney House Observatory, Kirton, England, U.K.
• I71: Observatorio Los Milanos, Caceres, Spain
• I72: Observatorio Carpe-Noctem, Madrid, Spain
• I73: Salvia Observatory, Saulges, France
• I74: Baxter Garden Observatory, Salisbury, England, U.K.
• I75: Observatorio Castellon, Spain
• I76: Tesla Observatory, Valdemorillo, Spain
• I77: CEAMIG-REA Observatory, Belo Horizonte, Brazil
• I78: Observatorio Principia, Málaga, Spain
• I79: AstroCamp, Nerpio, Spain
• I80: Rose Cottage Observatory, Keighley, England, U.K.
• I81: Tarbatness Observatory, Portmahomack, Scotland, U.K.
• I82: Güímar, Canary Islands, Spain
• I83: Cherryvalley Observatory, Rathmolyon, Ireland
• I84: Cerro del Viento, Badajoz, Spain
• I85: Las Negras, Spain
• I86: Observatorio UCM, Madrid, Spain
• I87: Astroshot Observatory, Monasterevin, Ireland
• I88: Fuensanta de Martos, Spain
• I89: RAS Observatory, Nerpio, Spain
• I90: Blackrock Castle Observatory, Ireland
• I91: Retamar, Spain
• I92: Astreo Observatory, Mairena del Aljarafe, Spain
• I93: St Pardon de Conques, France
• I94: Observatorio Rho Ophiocus, Las Rozas de Madrid, Spain
• I95: Observatorio de la Hita, Spain
• I96: Hyperion Observatory, Urbanizacion Caraquiz, Spain
• I97: Penn Heights Observatory, Rickmansworth, U.K.
• I98: El Berrueco, Spain
• I99: Observatorio Blanquita, Vaciamadrid, Spain

J00–J99

• J00: Segorbe, Castellon, Spain
• J01: Observatorio Cielo Profundo, Oviedo, Spain
• J02: Busot, Spain
• J03: Gothers Observatory, St. Dennis
• J04: ESA Optical Ground Station, Tenerife, Canary Islands, Spain
• J05: Bootes Observatory, Boecillo
• J06: Trent Astronomical Observatory, Clifton
• J07: Observatorio SPAG Monfragüe, Palazuelo-Empalme
• J08: Observatorio Zonalunar, Puzol, Valencia, Spain
• J09: Balbriggan
• J10: Alicante Alicante, Spain
• J11: Matosinhos
• J12: Caraquiz
• J13: La Palma-Liverpool Telescope, La Palma, Canary Islands, Spain (Roque de los Muchachos Observatory)
• J14: La Corte
• J15: Muxagata
• J16: An Carraig Observatory, Northern Ireland An Carraig Observatory
• J17: Ragdon
• J18: Dingle Observatory, Montgomery, Wales, U.K.
• J19: El Maestrat
• J20: Aravaca
• J21: El Boalo
• J22: Tacande Observatory, La Palma, Canary Islands, Spain ["http://www.astropalma.com]
• J23: Centre Astronomique de La Couyere
• J24: Observatorio Altamira, Canary Islands, Spain
• J25: Penamayor Observatory, Nava
• J26: The Spaceguard Centre, Knighton
• J27: El Guijo Observatory, Spain
• J28: Jaén, Spain (Observatorio Jaén)
• J29: Observatorio Nira, Tias
• J30: Observatorio Ventilla, Madrid
• J31: La Axarquia
• J32: Aljaraque
• J33: University of Hertfordshire Obs., Bayfordbury
• J34: La Fecha
• J35: Tucci Observatory, Martos
• J36: Observatorio DiezALaOnce, Illana
• J37: Huelva
• J38: Observatorio La Vara, Valdés
• J39: Ingenio
• J40: Málaga, Spain
• J41: Raheny
• J42: Puzol Valencia, Spain
• J43: Oukaïmeden Observatory, Morocco
• J44: Observatorio Iturrieta, Alava
• J45: Observatorio Montana Cabreja Vega de San Mateo, Gran Canaria.
• J46: Observatorio Montana Blanca, Tias
• J47: Observatorio Nazaret
• J48: Observatory Mackay, La Laguna
• J49: Santa Pola
• J50: La Palma-NEON, Canary Islands, Spain
• J51: Observatorio Atlante, Tenerife, Canary Islands, Spain
• J52: Observatorio Pinsoro
• J53: Posadas
• J54: Bradford Robotic Telescope, Tenerife, Canary Islands, Spain
• J55: Los Altos de Arguineguin Observatory
• J56: Observatorio La Avejerilla
• J57: Centro Astronómico Alto Turia, Valencia, Spain
• J58: Brynllefrith Observatory, Llantwit Fardre, Wales, UK
• J59: Observatorio Linceo, Santander
• J60: Tocororo Observatory, Arquillinos
• J61: Brownstown Observatory, Kilcloon
• J62: Kingsland Observatory, Boyle
• J63: San Gabriel
• J64: La Mata
• J65: Celbridge
• J66: Kinver
• J67: Observatorio La Puebla de Vallbona
• J68: Tweenhills Observatory, Hartpury, Gloucestershire, England, UK
• J69: North Observatory, Clanfield, UK
• J70: Obs. Astronómico Vega del Thader, El Palmar
• J71: Willow Bank Observatory, Lancashire, England, UK
• J72: Valle del Sol
• J73: Quainton, Buckinghamshire, England, UK (Quainton Observatory)
• J74: Bilbao
• J75: Observatorio Astronómico de La Sagrada, Spain (Observatorio Astronómico de La Sagra)
• J76: La Murta, Spain
• J77: Golden Hill Observatory, Stourton Caundle, Dorset, England, UK
• J78: Murcia
• J79: Observatorio Calarreona, Aguilas
• J80: Sainte Helene
• J81: Guirguillano
• J82: Leyland
• J83: Olive Farm Observatory, Hoghton
• J84: South Observatory, Clanfield
• J85: Makerstoun
• J86: Sierra Nevada Observatory (Observatorio de Sierra Nevada, Spain)
• J87: La Cañada (Observatorio de La Cañada (La Cañada Observatory), Ávila, Spain)
• J88: Strawberry Field Obs., Southampton
• J89: Tres Cantos Observatory
• J90: West Challow
• J91: Alt emporda Observatory, Figueres
• J92: Beaconsfield
• J93: Mount Tuffley Observatory, Gloucester, England, UK
• J94: Abbeydale, Gloucester, England, UK
• J95: Great Shefford, Berkshire, England, UK
• J96: Observatorio de Aras de los Olmos (OAO) – Universidad de Valencia, Aras de los Olmos, Valencia, Spain
• J97: Alginet, Valencia, Spain
• J98: Observatorio Manises, Valencia, Spain
• J99: Burjassot, Valencia, Spain

K00–K99

• K01: Astrognosis Observatory, Bradwell
• K02: Eastwood Observatory, Leigh on Sea
• K09: Obsevatori Astronomic de Lliçà d'Amunt
• K10: Micro Palomar, Reilhanette
• K11: Observatoire de Pommier
• K12: Observatorio Astronómico de Marratxi
• K13: Albireo Observatory, Inca
• K14: Observatorio de Sencelles
• K15: Murviel-lès-Montpellier
• K16: Reilhanette
• K17: Observatoire des Valentines, Bex
• K18: Hésingue
• K19: PASTIS Observatory, Banon
• K20: Danastro Observatory, Romerée
• K21: Saint-Saturnin-lès-Avignon
• K22: Les Barres Observatory, Lamanon
• K23: Gorgonzola
• K24: Schmelz
• K25: Haute Provence Sud, Saint-Michel-l'Observatoire
• K26: Contern
• K27: St-Martin Observatory, Amathay Vésigneux
• K28: Sternwarte Eckdorf
• K29: Stellarium Gornergrat
• K30: Lüscherz
• K31: Osservatorio Astronomico di Bellino
• K32: Maritime Alps Observatory, Cuneo
• K33: San Defendente
• K34: Turin
• K35: Huenfelden
• K36: Ebersheim
• K37: Cereseto
• K38: M57 Observatory, Saltrio
• K39: Serra Observatory
• K40: Altdorf
• K41: Vegaquattro Astronomical Obs., Novi Ligure
• K42: Knielingen
• K43: OVM Observatory, Chiesa in Valmalenco
• K44: Marienburg Sternwarte, Hildesheim
• K45: Oss. Astronomico di Punta Falcone, Piombino
• K46: Bamberg
• K47: BSCR Observatory, Santa Maria a Monte
• K48: Keyhole Observatory, San Giorgio di Mantova
• K49: Carpione Observatory, Spedaletto
• K50: Sternwarte Feuerstein, Ebermannstadt
• K51: Osservatorio del Celado, Castello Tesino
• K52: Gwen Observatory, San Francesco al Campo
• K53: Marina di Cerveteri
• K54: Astronomical Observatory University of Siena
• K55: Wallhausen
• K56: Osservatorio di Foligno
• K57: Fiore Observatory
• K58: Gevelsberg
• K59: Elsterland Observatory, Jeßnigk
• K60: Lindby
• K61: Rokycany Observatory
• K62: Teplice Observatory
• K63: G. Pascoli Observatory, Castelvecchio Pascoli
• K64: Waizenreuth
• K65: Cesena
• K66: Osservatorio Astronomico di Anzio
• K67: Bayerwald Sternwarte, Spiegelau
• K68: Osservatorio Elianto, Pontecagnano
• K69: Riethnordhausen
• K70: Rosarno
• K71: Neutraubling
• K72: Celico
• K73: Gravina in Puglia
• K74: Muensterschwarzach Observatory, Schwarzach
• K75: Astro Dolomites, Santa Cristina Valgardena
• K90: Sopot Astronomical Observatory
• K91: Sutherland-LCOGT A
• K92: Sutherland-LCOGT B
• K93: Sutherland-LCOGT C
• K94: Sutherland
• K95: MASTER-SAAO Observatory, Sutherland
• K99: ISON-Uzhgorod Observatory

L00–L99

• L04: ROASTERR-1, Cluj-Napoca, Romania
• L08: Metsähovi Optical Telescope, Metsahovi
• L13: Stardust Observatory, Brasov
• L15: St. George Observatory, Ploiesti
• L16: Stardreams Observatory, Valenii de Munte
• L21: Ostrov Observatory, Constanta
• L22: Barlad Observatory, Romania
• L23: Schela Observatory, Romania
• L24: Gauteng
• L33: Ananjev
• L50:GenShtab Observatory, Nauchnij
• L51: MARGO, Nauchnij
• L96: ISON-Byurakan Observatory

N00–N99

• N27: Omsk-Yogik Observatory
• N42: Tien-Shan Astronomical Observatory
• N55: Corona Borealis Observatory, Ngari
• N87: Nanshan Station, Xinjiang Observatory

O00–O99

• O43: Observatori Negara, Langkawi
• O44: Lijiang Station, Yunnan Observatories
• O45: Yunnan-HK Observatory, Gaomeigu
• O75: ISON-Hureltogoot Observatory

P00–P99

• P25: Kinmen Educational Remote Observatory, Jincheng
• P34: Lvye Observatory, Suzhou
• P35: Cuteip Remote Observatory, Changhua
• P36: ULTRA Observatory,Suzhou
• P40: Chinese Culture University, Taipei
• P73: BSH Byulsem Observatory, Busan

Q00–Q99

• Q19: Machida
• Q21: Southern Utsunomiya
• Q24: Katori
• Q59: Siding Sprint-LCOGT Clamshell #2
• Q60: ISON-SSO Observatory, Siding Spring
• Q61: PROMPT, Siding Spring
• Q62: iTelescope Observatory, Siding Spring
• Q63: Siding Spring-LCOGT A
• Q64: Siding Spring-LCOGT B
• Q65: Warrumbungle Observatory
• Q68: Blue Mountains Observatory, Leura
• Q79: Samford Valley Observatory
• Q80: Birkdale

T00–T99

• T05: ATLAS-HKO, Haleakala
• T08: ATLAS-MLO, Mauna Loa

U00–U99

• U53: Murray Hill Observatory, Beaverton
• U54: Hume Observatory, Santa Rosa
• U57: Black Mountain Observatory, Los Altos
• U64:CWU-Lind Observatory, Ellensburg
• U69: iTelescope.Net T24 SRO Observatory in California, US
• U73: Redondo Beach
• U78: Cedar Glen Observatory
• U79: Cosmos Research Center, Encinitas
• U80: CS3-DanHenge Observatory, Landers
• U81: CS3-Trojan Station, Landers
• U82: CS3-Palmer Divide Station, Landers
• U96: Athabasca University Geophysical Observatory

V00–V99

• V02: Command Module, Tempe
• V03: Big Water
• V05: Rusty Mountain Observatory, Gold Canyon
• V07: Whipple Observatory, Mount Hopkins-PAIRITEL
• V08: Mountain Creek Ranch, Vail
• V30: Heaven on Earth Observatory, Mayhill
• V31: Hazardous Observatory, Mayhill
• V37: McDonald Observatory-LCOGT ELP
• V59: Millwood Observatory, Comfort
• V60: Putnam Mountain Observatory
• V70: Starry Night Observatory, Columbus
• V78: Spirit Marsh Observatory. Sauk Centre
• V81: Fayetteville
• V83: Rolling Hills Observatory, Warrensburg
• V86: Rattle Snake Observatory, Sedalia
• V88: River Ridge Observatory, Conway

W00–W99

• W04: Mark Evans Observatory, Bloomington
• W11: Calumet Astronomy Center, Lowell
• W14: Harvest
• W19: Kalamazoo
• W22: WestRock Observatory, Columbus, GA
• W28: Ex Nihilo Observatory, Winder
• W30: Georgia College Observatory, Milledgeville
• W38: Dark Sky Observatory, Boone
• W49: CBA-MM Observatory, Mountain Meadows
• W50: Apex
• W55: Natelli Observatory, Frederick
• W63: Astronomico UTP, Pereira
• W66: SVH Observatory, Blairstown
• W67: Paul Robinson Observatory, Voorhees State Park
• W71: Rand II Observatory, Lake Placid
• W77: Skyledge Observatory, Killingworth
• W80: Westwood
• W81: Nebula Knoll Observatoy, East Wakefield
• W82: Whitin Observatory, Wellesley
• W83: Whitin Observatory, Wellesley
• W84: Cerro Tololo-DECam
• W85: Cerro Tololo-LCOGT A
• W86: Cerro Tololo-LCOGT B
• W87: Cerro Tololo-LCOGT C
• W88: Slooh.com Chile Observatory, La Dehesa
• W89: Cerro Tololo-LCOGT Aqawan A {#}1
• W90: Phillips Exeter Academy Grainger Observatory
• W91: VHS-VISTA, Cerro Paranal
• W95: Observatorio Panameno, San Pedro de Atacama
• W96: CAO, San Pedro de Atacama (since 2013)
• W97:Atacama Desert Observatory, San Pedro de Atacama
• W98: Polonia Observatory, San Pedro de Atacama
• W99: Atacama Desert Observatory, San Pedro de Atacama

X00–X99

• X13: Observatorio Remoto Bosque Alegre (Estación Astrofísica de Bosque Alegre, Observatorio Astronómico de Córdoba, Argentina)
• X14: Observatorio Orbis Tertius, Córdoba, Argentina
• X38: Observatorio Pueyrredon, La Lonja, Buenos Aires, Argentina
• X50:Observatorio Astronomico de Montevideo
• X57: Polo Astronômico CMF,Foz do Iguaçu
• X87: Dogsheaven Observatory, Brasilia

Y00-Y99

• Y00: SONEAR Observatory, Oliveira
• Y28: Y28: OASI, Nova Itacuruba

Z00–Z99

• Z19: La Palma-TNG
• Z20: La Palma-MERCATOR
• Z21: Tenerife-LCOGT Aqawan A {#}1
• Z22: MASTER-IAC Observatory, Tenerife
• Z26: Observatorio Astronomico Arcangel, Las Zocas
• Z27: Observatorio Coralito, La Laguna
• Z39: Observatorio Costa Teguise
• Z56: Knocknaboola
• Z60: Observatorio Zaldibia
• Z61: Montecanal Observatory, Zaragoza
• Z62: Observatorio Forcarei
• Z63: skybor Observatory, Borja
• Z64: Observatorio el Miron del Cielo
• Z65: Observatorio Astronomico Corgas
• Z66: DeSS Deimos Sky Survey, Niefla Mountain
• Z67: Dunboyne Castle Observatory
• Z68: Observatorio Torreáguila, Barbaño
• Z69: Observatorio Mazagón Huelva
• Z70: Ponferrada
• Z71: Observatorio Norba Caesarina, Cáceres
• Z72: Cademuir Observatory, Dalkey
• Z73: Observatorio Nuevos Horizontes, Camas
• Z74: Amanecer de Arrakis, Sevilla
• Z75: Observatorio Sirius, Las Lomas
• Z76: Observatorio Carda, Villaviciosa
• Z77: Osuna
• Z78:Arroyo Observatory, Arroyo Hurtado
• Z80: Northolt Branch Observatory
• Z81: Observatorio Estrella de Mar
• Z82: BOOTES-2 Observatory, Algarrobo
• Z83: Chicharronian 3C Observatory, Tres Cantos, Madrid
• Z84: Calar Alto-Schmidt
• Z85: Observatorio Sierra Contraviesa
• Z86: St. Mellons
• Z87: Stanley Laver Observatory, Pontesbury
• Z88: Fosseway Observatoy, Stratton-on-the-Fosse
• Z89: Macclesfield
• Z90: Albox
• Z91: Curdridge
• Z92: West Park Observatory, Leeds
• Z93: Observatorio Polop, Alicante
• Z94: Kempshott
• Z95: Astronomía Para Todos Remote Observatory
• Z96: Observatorio Cesaraugusto
• Z97: OPERA Observatory, Saint Palais
• Z98: Observatorio TRZ, Bétera
• Z99: Clixby Observatory, Cleethorpes

By location

The following is the same list of observatories, sorted by continent, country, and state/province/administrative division. Countries not belonging to the IAU are omitted unless they contain at least one observatory. Countries not belonging to the IAU with observatory codes are marked in italics.

Africa

Algeria

• Algiers
  • 008: Algiers-Bouzaréah
  • 109: Algiers-Kouba

Egypt

• Cairo
  • 087: Helwan
  • 088: Kottomia

Namibia

• Khomas
  • 194: Tivoli
  • 221: IAS Observatory, Hakos

Réunion (France)

• • 173: St. Clotilde, Réunion
  • 181: Observatoire des Makes, Saint-Louis
  • 182: St. Paul, Réunion

South Africa

• Free State
  • 074: Boyden Observatory, Bloemfontein
• Gauteng
  • 077: Yale-Columbia Station, Johannesburg
  • 078: Johannesburg
  • 079: Radcliffe Observatory, Pretoria
• North West
  • 076: Johannesburg-Hartbeespoort
  • 081: Leiden Station, Johannesburg
• Western Cape
  • 051: Cape

Asia

Azerbaijan (Asia)

• Nakhchivan
  • 129: Ordubad

China

• Beijing
  • 278: Peking, Transit of Venus site
  • 324: Peking Observatory, Shaho Station
• Hainan
  • 312: Tsingtao field station, Xisha Islands (disputed with Taiwan)]
• Hebei
  • 327: Peking Observatory, Xinglong Station (Xinglong Station (NAOC))
• Jiangsu
  • 330: Purple Mountain Observatory, Nanking
• Shaanxi
  • 305: Purple Mountain, Hainan Island station
• Shangdong
  • 334: Tsingtao
• Shanghai
  • 337: Sheshan, formerly Zô-Sé
• Yunnan
  • 286: Yunnan Observatory
• C42: Xingming Observatory, Mt. Nanshan, China
• D14: Nanchuan Observatory, Guangzhou, China
• D17: Hong Kong
• D18: Mt. Guizi Observatory, China
• D19: Hong Kong Space Museum, Tsimshatsui, Hong Kong, China
• D29: Purple Mountain Observatory, XuYi Station
• D32: JiangNanTianChi Observatory, Mt. Getianling
• D39: Shandong University Observatory, Weihai

India

• Tamil Nadu
  • 220: Vainu Bappu Observatory, Kavalur
  • 223: Madras
• Telangana
  • 218: Hyderabad
  • 219: Japal-Rangapur

Indonesia

• West Java
  • 299: Bosscha Observatory, Lembang

Israel

• Southern District
  • 097: Wise Observatory, Mitzpeh Ramon
• Tel Aviv
  • 137: Givatayim Observatory

Japan

• Aichi
  • 380: Ishiki
• Ehime
  • 360: Kuma Kogen
• Fukuoka
  • 363: Yamada
• Fukushima
  • 404: Yamamoto
  • 412: Iwaki
• Gifu
  • 382: Tokyo-Norikura
  • 403: Kani
• Gunma
  • 350: Kurohone
  • 405: Kamihoriguchi
  • 411: Oizumi
• Hokkaido
  • 362: Ray Observatory
  • 392: JCPM Sapporo Station
  • 394: JCPM Hamatonbetsu Station
  • 395: Tokyo-Asahikawa
  • 396: Asahikawa
  • 397: Sapporo Science Center
  • 399: Kushiro
  • 400: Kitami
  • 406: Bibai
• Hyogo
  • 353: Nishi Kobe
  • 361: Sumoto
  • 374: Minami-Oda Observatory
  • 375: Uzarano
  • 410: Sengamine
• Ibaraki
  • 357: Shimotsuma
  • 393: JCPM Sakura Station
• Ishikawa
  • 417: Yanagida Astronomical Observatory
• Kagoshima
  • 364: YCPM Kagoshima Station
• Kanagawa
  • 355: Hadano
• Kochi
  • 370: Kochi
  • 372: Geisei
  • 421: Mt. Kajigamori, Otoyo
• Kyoto
  • 348: Ayabe
  • 377: Kwasan Observatory, Kyoto
• Miyagi
  • 356: Kogota
  • 391: Sendai Observatory, Ayashi Station
• Nagano
  • 341: Akashina
  • 381: Tokyo-Kiso
  • 383: Chirorin
  • 408: Nyukasa
• Nara
  • 365: Uto Observatory
  • 378: Murou
• Okayama
  • 300: Bisei Spaceguard Center-BATTeRS
  • 371: Tokyo-Okayama
• Osaka
  • 340: Toyonaka
• Saitama
  • 349: Ageo
  • 369: Chichibu
  • 387: Tokyo-Dodaira
  • 398: Nagatoro
  • 401: Oosato
• Shiga
  • 351: Sakamoto
  • 352: Konan
  • 402: Dynic Astronomical Observatory
• Shimane
  • 367: Yatsuka
• Shizuoka
  • 379: Hamamatsu-Yuto
  • 384: Shimada
  • 385: Nihondaira Observatory
• Tochigi
  • 354: Kawachi
  • 390: Utsunomiya
• Tokushima
  • 342: Shishikui
• Tokyo
  • 388: Tokyo-Mitaka
  • 389: Tokyo (before 1938)
  • 409: Kiyose and Mizuho
• Utsonomiya
  • 347: Utsunomiya-Imaizumi
• Wakayama
  • 359: Wakayama
  • 373: Oishi
• Yamagata
  • 358: Nanyo
  • 407: Kahoku
• Yamanashi
  • 366: Miyasaka Observatory
  • 368: Ochiai
  • 376: Uenohara
  • 386: Yatsugatake-Kobuchizawa

Kazakhstan (Asia)

• Almaty
  • 210: Alma-Ata
  • 217: Assah

Russia (Asia)

• Sverdlovsk
  • 168: Kourovskaya
• Tomsk
  • 236: Tomsk

South Korea

• Gyeonggi
  • 343: Younchun
• North Chungcheong
  • 345: Sobaeksan Optical Astronomy Observatory
• North Gyeongsang
  • 344: Bohyunsan Optical Astronomy Observatory
• Sejong-si
  • 346: KNUE Astronomical Observatory

Taiwan

• Kaohsiung
  • 312: Tsingtao field station, Xisha Islands (disputed with China)

Tajikistan

• Districts of Republican Subordination
  • 190: Gissar
  • 191: Dushanbe
• Khatlon
  • 193: Sanglok

Uzbekistan

• Kashkadarya
  • 186: Kitab
  • 188: Majdanak
• Tashkent
  • 192: Tashkent

Australia & Oceania

Australia

• Australian Capital Territory
  • 414: Mount Stromlo
  • 415: Kambah
  • 416: Barton
  • 424: Macquarie
  • 429: Hawker
• New South Wales
  • 260: Siding Spring Observatory-DSS
  • 413: Siding Spring Observatory
  • 418: Tamworth
  • 419: Windsor
  • 420: Sydney
  • 422: Loomberah
  • 423: North Ryde
  • 430: Rainbow Observatory, near Coonabarabran
  • 431: Mt. Tarana Observatory, Bathurst
  • 432: Boambee
  • 433: Bagnall Beach Observatory
• Queensland
  • 425: Taylor Range Observatory, Brisbane
  • 428: Reedy Creek
• South Australia
  • 426: Woomera
  • 427: Stockport
• Western Australia
  • 318: Quinns Rock
  • 319: Perth Observatory, Perth-Lowell Telescope
  • 320: Chiro Observatory
  • 321: Craigie
  • 322: Perth Observatory, Bickley-MCT
  • 323: Perth Observatory, Bickley

New Zealand

• Auckland
  • 465: Takapuna
  • 466: Mount Molehill Observatory, Auckland
  • 467: Auckland Observatory
• Canterbury
  • 474: Mount John Observatory, Lake Tekapo

Europe

Armenia

• Aragatsotn
  • 123: Byurakan

Austria

• Lower Austria
  • 082: St. Pölten
• Tyrol
  • 041: Innsbruck
• Upper Austria
  • 241: Schaerding
• Vienna
  • 045: Vienna (since 1879)

Belgium

• Brussels
  • 012: Uccle
• Flemish Region
  • 145: 's-Gravenwezel
  • 200: Beersel Hills Observatory
• Walloon Region
  • 231: Vesqueville

Bulgaria

• Smolyan
  • 071: NAO Rozhen, Smolyan

Croatia

• Istria
  • 120: Višnjan

Czech Republic

• Hradec Králové
  • 048: Hradec Králové
  • 166: Upice
• South Bohemia
  • 046: Kleť Observatory, České Budějovice
  • 246: Klet Observatory-KLENOT

Denmark

• Hovedstaden
  • 035: Copenhagen
• Midtjylland
  • 155: Ole Romer Observatory, Aarhus
• Sjælland
  • 054: Brorfelde
• Syddanmark
  • 471: Houstrop

Estonia

• Tartu
  • 075: Tartu

Finland

• Central Finland
  • 174: Nyrölä Observatory, Jyväskylä
• Finland Proper
  • 062: Turku
  • 063: Turku-Tuorla
  • 064: Turku-Kevola
• Päijänne Tavastia
  • 099: Lahti
• Southern Ostrobothnia
  • 100: Ähtäri

France

• Alsace
  • 138: Village-Neuf
  • 224: Ottmarsheim
• Auvergne
  • 140: Augerolles
• Centre-Val de Loire
  • 199: Buthiers
  • 237: Baugy
• Champagne-Ardenne
  • 149: Beine-Nauroy
• Franche-Comté
  • 016: Besançon
• Île-de-France
  • 005: Meudon
  • 007: Paris
  • 144: Bray et Lu
  • 150: Maisons Laffitte
  • 222: Yerres-Canotiers
  • 285: Flammarion Observatory, Juvisy
• Languedoc-Rousillon
  • 003: Montpellier
  • 122: Pises Observatory
  • 177: Le Cres
  • 180: Mauguio
  • 282: Nîmes
• Lorraine
  • 141: Hottviller
  • 164: St. Michel sur Meurthe
  • 216: Observatoire des Côte de Meuse
• Midi-Pyrénées
  • 004: Toulouse
  • 124: Castres
  • 148: Guitalens
  • 242: Varennes
• Provence-Alpes-ôte d'Azur
  • 010: Caussols
  • 014: Marseilles
  • 020: Nice
  • 132: Bedoin
  • 133: Les Tardieux
  • 139: Antibes
  • 184: Valmeca Observatory, Puimichel
  • 202: Tamaris Observatoire, La Seyne sur Mer
  • 472: Merlette
• Rhône-Alpes
  • 091: Observatoire de Nurol, Aurec sur Loire
  • 131: Observatoire de l'Ardeche
  • 178: Collonges

Georgia (Europe)

• Samtskhe-Javakheti
  • 119: Abastuman
• Tbilisi
  • 125: Tbilisi

Germany

• • 017: Hoher List
  • 018: Düsseldorf-Bilk
  • 021: Karlsruhe
  • 023: Wiesbaden
  • 024: Heidelberg-Königstuhl
  • 025: Stuttgart
  • 028: Würzburg
  • 029: Hamburg-Bergedorf
  • 031: Sonneberg
  • 032: Jena
  • 033: Karl Schwarzschild Observatory, Tautenburg
  • 040: Lohrmann Institute, Dresde
  • 042: Potsdam
  • 065: Traunstein
  • 072: Scheuren Observatory
  • 090: Mainz
  • 113: Volkssternwarte Drebach, Schoenbrunn
  • 116: Giesing
  • 117: Sendling
  • 127: Bornheim
  • 134: Groszschwabhausen
  • 142: Sinsen
  • 153: Stuttgart-Hoffeld
  • 195: Untermenzing Observatory, Munich
  • 196: Homburg-Erbach
  • 198: Wildberg
  • 214: Garching Observatory
  • 215: Buchloe
  • 230: Mt. Wendelstein Observatory
  • 239: Trebur
  • 240: Herrenberg Sternwarte
  • 243: Umbrella Observatory, Fredenbeck
  • 279: Seeberg Observatory, Gotha (1787-1857)
  • 280: Lilienthal
  • 283: Bremen

Greece

• Attica
  • 066: Athens

Hungary

• Budapest
  • 053: Konkoly Observatory, Budapest (since 1934)
• Nógrád
  • 461: University of Szeged, Piszkesteto Stn. (Konkoly)

Italy

• Abruzzo
  • 037: Collurania Observatory, Teramo
• Aosta Valley
  • 158: Promiod
  • 201: Jonathan B. Postel Observatory
• Basilicata
  • 162: Potenza
• Campania
  • 044: Capodimonte Observatory, Naples
  • 229: G. C. Gloriosi Astronomical Observatory, Salerno
• Emelia-Romagna
  • 107: Cavezzo
  • 147: Frignano
  • 197: Bastia
  • 205: Obs. Casalecchio di Reno, Bologna
  • 208: Rivalta
  • 281: Bologna
  • 436: Osservatorio di Livergnano
• Friuli-Venezia Giulia
  • 038: Trieste
  • 228: Bruno Zugna Observatory, Trieste
  • 235: CAST Observatory, Talmassons
  • 473: Remanzacco
• Lazio
  • 034: Monte Mario Observatory, Rome
  • 157: Frasso Sabino
  • 468: Astronomical Observatory, Campo Catino
  • 470: Ceccano
• Liguria
  • 126: Monte Viseggi
• Lombardy
  • 027: Milan
  • 096: Merate
  • 130: Lumezzane
  • 203: GiaGa Observatory
  • 204: Schiaparelli Observatory
  • 207: Osservatorio Antonio Grosso
  • 434: S. Bendetto Po
  • K43: OVM Observatory, Chiesa Valmalenco
• Piedmont
  • 022: Pino Torinese
  • 147: Osservatorio Astronomico di Suno
  • 161: Cerrina Tololo Observatory
  • 169: Airali Observatory
  • 475: Turin (before 1913)
• Sicily
  • 156: Catania Astrophysical Observatory
• Tuscany
  • 030: Arcetri Observatory, Florence
  • 104: San Marcello Pistoiese
  • 108: Montelupo
  • 111: Piazzano Observatory, Florence
  • 159: Monte Agliale
  • 160: Castelmartini
  • 211: Scandicci
  • 233: Sauro Donati Astronomical Observatory, San Vito
• Veneto
  • 043: Asiago Astrophysical Observatory, Padua
  • 098: Asiago Observatory, Cima Ekar
  • 112: Pleiade Observatory, Verona
  • 154: Cortina
  • 209: Asiago Observatory, Cima Ekar-ADAS
  • 226: Guido Ruggieri Observatory, Padua
  • 435: G. Colombo Astronomical Observatory, Padua

Latvia

• Salaspils Municipality
  • 069: Baldone

Lithuania

• Utena
  • 152: Moletai Astronomical Observatory
• Vilnius
  • 070: Vilnius (before 1939)

Luxembourg

• Luxembourg
  • 163: Roeser Observatory, Luxembourg

Malta

• Malta
  • 171: Flarestar Observatory, San Gwann

Netherlands

• South Holland
  • 013: Leiden
• Utrecht
  • 015: Utrecht

Norway

• Oppland
  • 206: Haagaar Observatory, Eina
• Oslo
  • 238: Grorudalen Optical Observatory
• Troms
  • 093: Skitbotn
  • 259: EISCAT Tromso UHF

Poland

• Greater Poland Voivodeship
  • 047: Poznań
  • 187: Astronomical Observatory, Borowiec
• Kuyavian-Pomeranian Voivodeship
  • 092: Torun-Piwnice
• Lesser Poland Voivodeship
  • 055: Cracow
• Lubusz Voivodeship
  • 284: Dreisen
• Masovian Voivodeship
  • 060: Warsaw-Ostrowik

Romania

• Bucharest
  • 073: Bucharest

Russia (Europe)

• Kaliningrad
  • 058: Kaliningrad
• Karachay-Cherkessia
  • 114: Engelhardt Observatory, Zelenchukskaya Station
  • 115: Zelenchukskaya
  • 183: Starlab Observatory, Karachay-Cherkessia
• Moscow
  • 102: Zvenigorod
  • 105: Moscow
• Saint Petersburg
  • 084: Pulkovo
• Saratov
  • 128: Saratov
• Tatarstan
  • 135: Kasan
  • 136: Engelhardt Observatory, Kasan
• Yaroslavl
  • 110: Rostov

Serbia

• Belgrade
  • 057: Belgrade

Slovakia

• Bratislava
  • 118: Astronomical and Geophysical Observatory, Modra
• Prešov
  • 056: Skalnaté Pleso
  • 059: Lomnický Štít
• Trenčín
  • 457: Partizanske

Slovenia

• Ljubljana
  • 103: Ljubljana
• Primorska
  • 106: Črni Vrh

Spain

• Andalusia
  • 212: Observatorio La Dehesilla
• Castile and León
  • 442: Gualba Observatory
• Catalonia
  • 006: Fabra Observatory, Barcelona
  • 165: Piera Observatory, Barcelona
  • 170: Observatorio de Begues
  • 213: Observatorio Montcabre
  • 232: Masquefa Observatory
• Madrid
  • 458: Guadarrama Observatory
• Majorca
  • 176: Observatorio Astronómico de Consell
• Valencia
  • 445: Observatorio d'Ontinyent

Sweden

• Skåne
  • 039: Lund
• Södermanland
  • 050: Stockholm (before 1931)
  • 052: Stockholm-Saltsjöbaden
• Uppland
  • 049: Uppsala-Kvistaberg

Switzerland

• Bern
  • 009: Berne-Uecht
• Fribourg
  • 172: Onnens
• Geneva
  • 189: Geneva (before 1967)
• Jura
  • 185: Observatoire Astronomique Jurassien-Vicques
  • 469: Courroux
• Neuchâtel
  • 019: Neuchâtel
• Ticino
  • 143: Gnosca
  • 179: Monte Generoso
• Valais
  • 175: F.-X. Bagnoud Observatory, St-Luc
• Zürich
  • 011: Wetzikon
  • 151: Eschenberg Observatory, Winterthur
  • 167: Bülach Observatory

Turkey (Europe)

• Istanbul
  • 080: Istanbul

Ukraine

• Crimea
  • 094: Crimea-Simeïs
  • 095: Crimea-Nauchnij
  • 255: Evpatoria
• Kiev
  • 083: Golosseevo-Kiev
  • 085: Kiev
• Kharkiv
  • 101: Kharkov
  • 121: Kharkov University, Chuguevskaya Station
• Lviv
  • 067: Lvov University Observatory
  • 068: Lvov Polytechnic Institute
• Mikolaiv
  • 089: Nikolaev
• Odessa
  • 086: Odessa
• Zakarpattia
  • 061: Uzhgorod

United Kingdom

• England
  • 000: Greenwich
  • 001: Crowborough
  • 002: Rayleigh
  • 234: Coddenham Observatory
  • 456: Daventry Observatory
  • Z80: Northolt Branch Observatory
  • Z87: Stanley Laver Observatory
• Scotland
  • 277: Royal Observatory, Blackford Hill, Edinburgh
  • 441: Swilken Brae, St. Andrews

Vatican City

• • 036: Castel Gandolfo

North America

Canada

• Ontario
  • 440: Elginfield Observatory
• Quebec
  • 301: Mont Megantic

United States

• Arizona
  • 290: Mt. Graham-VATT
  • 291: LPL/Spacewatch II
  • 333: Desert Eagle Observatory
• Arkansas
  • 460: Area 52 Observatory, Nashville
• California
  • 252: Goldstone DSS 13, Fort Irwin
  • 253: Goldstone DSS 14, Fort Irwin
  • 257: Goldstone DSS 25, Fort Irwin
  • 261: Palomar Mountain-DSS
  • 444: Star Cruiser Observatory
  • 453: Edwards Raven Observatory
  • 454: Maryland Space Grant Consortium Observatory
  • 455: CBA Concord
• Colorado
  • 447: Centennial Observatory
  • 463: Sommers-Bausch Observatory, Boulder
• Connecticut
  • 298: Van Vleck Observatory
  • 932: John J. McCarthy Observatory, New Milford
• Florida
  • 452: Big Cyprus Observatory, Fort Lauderdale
• Georgia
  • W22: WestRock Observatory, Columbus, GA
• Hawaii
  • 266: New Horizons KBO Search-Subaru
  • 267: New Horizons KBO Search-CFHT
• Kansas
  • 451: West Skies Observatory, Mulvane
• Maryland
  • 462: Mount Belleview Observatory
• Massachusetts
  • 254: Haystack, Westford
  • 438: Smith College Observatory, Northampton
• New Hampshire
  • 225: Northwood Ridge Observatory
  • 459: Smith River Observatory, Danbury
• New Jersey
  • 292: Burlington, New Jersey
  • 293: Burlington remote site
• New Mexico
  • 439: ROTSE-III, Los Alamos
  • 448: Desert Moon Observatory, Las Cruces
• New York
  • 227: OrbitJet Observatory, Colden
  • 294: Astrophysical Obs., College of Staten Island
  • 296: Dudley Observatory, Albany (after 1893)
• North Carolina
  • 450: Carla Jane Observatory, Charlotte
• Pennsylvania
  • 437: Haverford
• Puerto Rico
  • 251: Arecibo
• Rhode Island
  • 464: Toby Point Observatory, Narragansett
• South Carolina
  • 449: Griffin Hunter Observatory, Bethune
• Texas
  • 446: Kingsnake Observatory, Seguin
• Vermont
  • 297: Middlebury
• Washington DC
  • 295: Catholic University Observatory, Washington
• West Virginia
  • 256: Green Bank

South America

Argentina

• Buenos Aires
  • 443: Obs. Astronomico Plomer, Buenos Aires

Chile

• Antofagasta
  • 309: Cerro Paranal
• Atacama
  • 268: New Horizons KBO Search-Magellan/Clay
  • 269: New Horizons KBO Search-Magellan/Baade
  • 304: Las Campanas Observatory
• Coquimbo
  • 262: European Southern Observatory, La Silla-DSS

Venezuela

• Lara
  • 306: Observatorio Taya Beixo, Barquisimeto
• Mérida
  • 302: University of the Andes station
  • 303: OAN de Llano del Hato, Mérida

Space

Earth

• Geocentric
  • 244: Geocentric Occultation Observation
  • 247: Roving observer
• Low-Earth orbit
  • 250: Hubble Space Telescope
• Geostationary
  • 248: Hipparcos

Heliocentric

• Earth-trailing
  • 245: Spitzer Space Telescope
• L1
  • 249: SOHO

See also

• List of observatories
• Space observatory
• Timeline of telescopes, observatories, and observing technology
• Volcano observatory

References

1. Archived October 11, 2006, at the Wayback Machine.
3. "Osservatorio Astronomico Vallemare di Borbona". Digilander.libero.it. Retrieved 2016-01-27.

External links

• Minor Planet Center – List Of Observatory Codes
• Guide to Minor Body Astrometry
• European Space Agency Spaceguard – Observatory List