From Wikipedia, the free encyclopedia "The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years away from earth in the constellation Ursa Major. First discovered by Pierre Méchain on March 27, 1781, it was communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries."
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Date : March 2012 Equipment used :
Exposure Detail : HaL R(Ha)GB combine Total hours 14
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