Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  M 100  ·  NGC 4321  ·  NGC 4323  ·  NGC 4328
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Galaxy M100, Steven Bellavia
Galaxy M100
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Galaxy M100

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Galaxy M100, Steven Bellavia
Galaxy M100
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Galaxy M100

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Description

Messier 100 ,  NGC 4321 is a grand design intermediate spiral galaxy in the southern part of the mildly northern Coma Berenices. It is one of the brightest and largest galaxies in the Virgo Cluster and is approximately 55 million light-years from our galaxy, its diameter being 107,000 light years.  It was discovered by Pierre Méchain in 1781and 29 days later seen again and entered by Charles Messier in his catalogue "of nebulae and star clusters". It was one of the first spiral galaxies to be discovered, and was listed as one of fourteen spiral nebulae by Lord William Parsons of Rosse in 1850. NGC 4323 and NGC 4328 are satellite galaxies of M100; the former is connected with it by a bridge of luminous matter.

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Galaxy M100, Steven Bellavia

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