Messier Catalogue

The Pleiades (M45)

December 4, 2011
Thumbnail image for The Pleiades (M45)

The M45 is one of my favorite objects of the deep sky. So I decided to post here a fantastic photo of them, along with some technical aspects and excerpts of a couple Wikipedia articles with great info. In astronomy, the Pleiades, or Seven Sisters (Messier object 45), is an open star cluster containing middle-aged [...]

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