The Blue Snowball Nebula (NGC 7662, Caldwell 22) is a bright planetary nebula located approximately 5,730 light-years away in the constellation Andromeda.It is visible in small and medium telescopes.| www.constellation-guide.com
Mayall II is a globular cluster orbiting the Andromeda Galaxy (Messier 31). Also known as Andromeda’s Cluster and Globular One (G1), it is the most intrinsically bright globular cluster in the Local Group of galaxies, with an absolute visual magnitude of -10.94 and a luminosity of 2 million Suns. The cluster has an apparent magnitude… Read More »Mayall II| Messier Objects