The Coma Cluster is a large cluster of galaxies that contains over 1,000 identified galaxies. Along with the Leo Cluster, it is one of the two major clusters comprising the Coma Supercluster. It is located in and takes its name from the constellation Coma Berenices. The cluster's mean distance from Earth is 99 Mpc.

Distance to Earth: 322.9 million light years

Number of galaxies: > 1000

Binding mass: ~7×10¹⁴ M_☉

Distance (co-moving): 102.975 Mpc (336 Mly) for h⁻¹; _0.705

Velocity dispersion: 1,000 km/s

Brightest member: NGC 4874 and NGC 4889