M22 (NGC 6656) - Sagittarius Cluster
Messier M22 (NGC 6656), also known as the Sagittarius Cluster, is a globular cluster located in the constellation Sagittarius, in the Galactic Center of the Milky Way Galaxy. in the Local Group of galaxies.
Messier M22 is best viewed during late summer, is magnitude 6.5*, and can be viewed with small binoculars. It is 24' 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.
Find your inner astronomer. Your complete guide to amateur astronomy.