M22

Messier 22 or M22, also known as NGC 6656, is an elliptical globular cluster of stars in the constellation Sagittarius, near the Galactic bulge region. It is one of the brightest globulars visible in the night sky. It's core contains about 70 000 stars and its diameter is nearly 100 light years. It's also assumed to contain almost 100 black holes!