Messier 6 (M6), also known as the Butterfly Cluster, is a bright open cluster located in the southern constellation Scorpius. It lies in the direction of the galactic centre, at an approximate distance of 1,600 light years from Earth. Messier 6 was named the Butterfly Cluster by the American astronomer Robert Burnham, who described it… Read More »Messier 6: Butterfly Cluster
