The Pinwheel galaxy, also known as Messier 101 (M101) located in the Ursa Major constellation lies some 25 million light years away from us, was first discovered on March 25th, 1781 by Pierre Méchain, who later informed Charles Messier.
FS102NSV @f/8; SBIG ST-2000XM 25x 300"
June 3rd/4th, 2011.
FS102NSV @f/8; SBIG ST-2000XM 25x 300"
June 3rd/4th, 2011.
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