Messier 39
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Open Cluster M39 (also known as Messier Object 39, Messier 39, M39, or NGC 7092) is an open cluster in the Cygnus constellation. 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 21hours, 32.2 minutes, and Declination +48 degrees 26'.
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