Messier 39

Messier 39
2MASS image of M39. Credit: 2MASS/NASA.
Observation data (J2000 epoch)
Constellation	Cygnus
Right ascension	21^h 31^m 42^s
Declination	+48° 25′ ″
Distance	824.4 (252.8)
Apparent magnitude (V)	+5.5
Physical characteristics
Other designations	Messier 39, NGC 7092

Open Cluster M39 (also known as Messier Object 39, Messier 39, M39, or NGC 7092) is an open cluster in the constellation Cygnus. It was discovered by Charles Messier in 1764. M39 is at a distance of about 800 light-years away from Earth. Its age is estimated to be from 200 to 300 million years.

It is located at Right Ascension 21 hours, 32.2 minutes, and Declination +48 degrees 26 minutes.

It has a magnitude (brightness) of 5.5

References

Map showing location of M39

External links

Messier 39, SEDS Messier pages

Messier 39 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Coordinates: 21^h 31^m 08^s, 48° 27′ 00″

Messier objects

List	M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15 M16 M17 M18 M19 M20 M21 M22 M23 M24 M25 M26 M27 M28 M29 M30 M31 M32 M33 M34 M35 M36 M37 M38 M39 M40 M41 M42 M43 M44 M45 M46 M47 M48 M49 M50 M51 M52 M53 M54 M55 M56 M57 M58 M59 M60 M61 M62 M63 M64 M65 M66 M67 M68 M69 M70 M71 M72 M73 M74 M75 M76 M77 M78 M79 M80 M81 M82 M83 M84 M85 M86 M87 M88 M89 M90 M91 M92 M93 M94 M95 M96 M97 M98 M99 M100 M101 M102 M103 M104 M105 M106 M107 M108 M109 M110

See also	Caldwell catalogue Catalogue of Nebulae and Clusters of Stars Herschel 400 Catalogue Index Catalogue New General Catalogue Revised New General Catalogue

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