Messier 3 (M3 or NGC 5272) is a globular cluster of stars in the northern constellation of Canes Venatici. It was discovered by Messier on May 3, 1764, and resolved into stars by William Herschel around 1784. It has an unusually large variable star population and new variable members continue to be identified up through.
The Wild Duck Cluster (also known as Messier 11, or NGC 6705)
The Wild Duck Cluster is one of the richest and most compact of the known open clusters, containing about 2900 stars. Its age has been estimated to about 250 million years. Its name derives from the brighter stars forming a triangle which could resemble a flying flock of ducks (or, from other angles, one swimming duck).
The brightest and largest globular cluster in the Milky Way, containing as many as 10 million stars
The globular cluster is found in the constellation Centaurus, in the Southern Hemisphere.
It is 16,000 light-years from earth.