M107 (NGC 6171)
Messier M107 (NGC 6171) is a globular cluster located in the constellation Ophiucus, in the Galactic Center of the Milky Way Galaxy. in the Local Group of galaxies.
Messier M107 is best viewed during mid-summer, is magnitude 10.0*, and can be viewed with large binoculars. It is 10' in size. For reference, the full moon is 30' (arc minutes) in size.
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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