This is M88, a spiral galaxy in the constellation Coma Berenices. M88 has a visual magnitude of +9.4 and is 65 million light ...

Charles Messier was an 18th century comet hunter who compiled a list of nebulae and star clusters – objects that could be mistaken for comets in a small telescope. His ...

The Messier catalog of deep sky objects was compiled by the comet hunter Charles Messier in the 18th century as a kind of list of "annoying things in the sky that are not comets", and includes many of ...

During this period, he cataloged 10,000 stars and identified 42 nebulae, including Messier 83, which he discovered in 1752 ...

The Messier catalog is a summary of various astronomical objects. It was first published in 1774 by the French astronomer Charles Messier with 45 objects. It now includes 110 celestial objects ...