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Messier 99: Difference between revisions
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[[File:375px-M99s.jpg|thumb|Messier 99]] | |||
Messier 99 (also known as M99 or NGC 4254) is an unbarred spiral galaxy approximately 50 million light-years away[3] in the constellation [[Coma Berenices]]. | Messier 99 (also known as M99 or NGC 4254) is an unbarred spiral galaxy approximately 50 million light-years away[3] in the constellation [[Coma Berenices]]. | ||
Messier 99 was discovered by Pierre Méchain on March 17, 1781 along . The discovery was then reported to Charles Messier, who included the object in the Messier Catalogue, which was the first astronomical catalogue of star clusters, nebulae, and galaxies. | Messier 99 was discovered by Pierre Méchain on March 17, 1781 along . The discovery was then reported to Charles Messier, who included the object in the Messier Catalogue, which was the first astronomical catalogue of star clusters, nebulae, and galaxies. | ||