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Coma Cluster

Abell 1656

Proper NamesComa Cluster
Catalogue NumberAbell 1656
ConstellationComa Berenices
Right Ascension12h 59m 49s
Declination+27° 58' 50"
Distancec.332,700,000 light years
c.102,000,000 parsecs
DiameterApparent: 100'
Actual: c.10 million light years
Number of galaxiesMore than 1,000
Optimum VisibilityApril
NotesA cluster of more than a thousand galaxies some 330 million light years from the Milky Way, far beyond the Virgo Cluster, and dominated by two vast elliptical galaxies designated Coma B and NGC 4874.


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