Messier 101

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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. This image was taken from May 2017 through June 11, 2017. It totals 6 hours of total exposure. 

All images © Mel Martin 2017     Contact Me