M21 (NGC 6531)
Apparent Magnitude: 6.5
Distance: Aprox: 4,250 light-years
Constellation: Sagittarius
Star Count Aprox: 57
Diameter: 16 light-years
M21 consists mainly of small, faint stars, but is also home to a few blue giants. Messier 21 lies just beyond naked eye visibility, but can easily be found even in the smallest binoculars. It is located only 0.75 degrees to the northeast of Messier 20 (the Trifid Nebula). The best time of year to observe M21 is in the months of June, July and August.
Taken 7/7/18 in Grand Rapids, Ohio by Russell Kille on a CPC 1100 with Hyperstar @ F2 and ZWO ASI294MC Pro camera
