Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  M 39  ·  NGC 7092
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Messier 39, Mathieu Guinot
Messier 39
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Messier 39

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Messier 39, Mathieu Guinot
Messier 39
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Messier 39

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Description

M39, also known as NGC 7092, is a beautiful open cluster located only 800 light-years away in a dense portion of the Milky Way in Cygnus. Its age is estimated between 230 and 300 million years and it has only about thirty stars for a diameter of 7 light years. Its angular size is about 31 arc minutes which corresponds to about the same size as that of the full Moon.
I really like those clusters surrounded by Halpha emission which highlights them and brings depth to the picture.

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Messier 39, Mathieu Guinot