Messier 3 is a globular cluster in the constellation of Canes Venatici.

It was discovered on May 3, 1764, and was the first Messier object to be discovered by Charles Messier.

Images by Leigh Slomer


Image by Leigh Slomer – no details provided

Images by Simon Dawes


Image by Simon Dawes SkyWatcher, MN190, EQ6, ZWO ASI1600MM