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			[[File:375px-M39atlas.jpg\|thumb\|Messier 39]]

	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. <ref>[http://en.wikipedia.org/wiki/Messier_39 Messier 39]</ref>		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. <ref>[http://en.wikipedia.org/wiki/Messier_39 Messier 39]</ref>