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