Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5477  ·  Pinwheel galaxy
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M101 Pinwheel Galaxy, Steven Joseph Hill

M101 Pinwheel Galaxy

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M101 Pinwheel Galaxy, Steven Joseph Hill

M101 Pinwheel Galaxy

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Description

The Pinwheel Galaxy (AKA Messier 101M101 or NGC 5457), is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs) from Earth in the constellationUrsa Major. It was discovered by Pierre Méchain in 1781.

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M101 Pinwheel Galaxy, Steven Joseph Hill

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Welsh Astro-Imaging