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 (2023), Terrance
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M101- Pinwheel Galaxy (2023)

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M101- Pinwheel Galaxy (2023), Terrance
Powered byPixInsight

M101- Pinwheel Galaxy (2023)

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Description

Messier 101 (NGC 5457), also known as the “Pinwheel Galaxy”, is a face-on spiral galaxy located in the constellation Ursa Major. It was discovered by French astronomer Pierre Méchain in 1781.  Distanced approximately 20.9 million light years from Earth, it is calculated having a diameter of about 170,000 light years and 1 trillion stars.

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