Messier 39

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Messier 39
M39atlas.jpg
2MASS image of M39.
Credit: 2MASS/NASA.
Observation data (J2000 epoch)
Constellation Cygnus
Right ascension 21h 31m 42s
Declination +48° 25′ ″
Distance 824.4 (252.8)
Apparent magnitude (V) +5.5
Physical characteristics
Other designations Messier 39, NGC 7092
See also: Open cluster, List of open clusters

Open Cluster M39 (also known as Messier Object 39, Messier 39, M39, or NGC 7092) is an open cluster in the constellation Cygnus.[1] 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[edit]

Map showing location of M39

External links[edit]

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