M101 (NGC 5457)


Type Location r.a. dec. Size Magnitude Distance
Galaxy Ursa Major 14h03.2 54°21' 27' x 26' 7.7 21 Mly

The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years away in the constellation Ursa Major.


M101, NGC 5457

Full size image

More from Wikipedia

Date Telescope Binning Exp Time (s) Special processing Notes
June 16, 2002 Centurion
L 1:1
RGB 3:1
L 4x300
R,G,B 300
 LRGB, Max Entropy, DDP