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The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies. [ 2 ] [ 3 ] Along with the Leo Cluster (Abell 1367), it is one of the two major clusters comprising the Coma Supercluster . [ 8 ]
IC 4051 is a large elliptical galaxy [8] in the northern constellation of Coma Berenices. It was discovered by the French astronomer Guillaume Bigourdan on April 12, 1891. [9] This object is located 14′ east of the core of the large Coma Cluster of galaxies, [5] [10] at a distance of 330 million light-years (100 Mpc) from the Milky Way. [4]
The Coma Supercluster (SCl 117) is a nearby supercluster of galaxies that includes the Coma Cluster (Abell 1656) and the Leo Cluster (Abell 1367). Located 300 million light-years from Earth in the constellation Coma Berenices , [ 2 ] it is in the center of the Great Wall and a part of the Coma Filament . [ 3 ]
Its nearest point is about 300 million light years from Earth, while its furthest point is 550 million light years away. It consists of three massive galaxy superclusters: Hercules, Coma, and Leo. The CfA2 Great Wall includes the Coma Filament.
The Coma Cluster is located at exactly the center of the Coma Supercluster, which is one of the nearest superclusters to the Laniakea Supercluster. The Coma Supercluster itself is within the CfA Homunculus, the center of the CfA2 Great Wall, the nearest galaxy filament to Earth and one of the largest structures in the known universe.
Dragonfly 44 is an ultra diffuse galaxy in the Coma Cluster. [1] [3] [2] [4] This galaxy is well-known because observations of the velocity dispersion in 2016 suggested a mass of about one trillion solar masses, about the same as the Milky Way.
The Coma I Group is rich in spiral galaxies while containing few elliptical and lenticular galaxies. Coma I lies in the foreground of the more distant Coma and Leo clusters and is located within the Virgo Supercluster. [3] The Coma I Group is currently infalling into the Virgo Cluster and will eventually merge with it. [10]
NGC 4651 imaged by the Hubble Space Telescope Spiral galaxy NGC 4651. Credit: ESA / Hubble Space Telescope & NASA, D. Leonard NGC 4651 is a spiral galaxy located in the constellation of Coma Berenices that can be seen with amateur telescopes, at a distance not well determined that ranges from 35 million light years [2] to 72 million light years. [3]