Amazing Sky by Alan Dyer

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M101 Pinwheel Galaxy (130mm EOS Ra).jpg

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Messier 101, the Pinwheel Galaxy in Ursa Major, a classic face-on spiral galaxy, large and obvious in binoculars. The odd galaxy at bottom is NGC 5474.

This is a stack of 9 x 10-minute exposures with the Canon EOS Ra camera at ISO 800 through the Astro-Physics 130mm apo refractor at f/6 with the 6x7 field flattener lens.
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© 2020 Alan Dyer
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Galaxies, Messier Objects
Messier 101, the Pinwheel Galaxy in Ursa Major, a classic face-on spiral galaxy, large and obvious in binoculars. The odd galaxy at bottom is NGC 5474. <br /> <br /> This is a stack of 9 x 10-minute exposures with the Canon EOS Ra camera at ISO 800 through the Astro-Physics 130mm apo refractor at f/6 with the 6x7 field flattener lens.