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

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M101, Nigel
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M101

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Description

M101, the Pinwheel Galaxy is about 24 arcminutes across and magnitude 7.9. It is remarkably asymmetric in shape and very large, around twice the size of the Milky Way. M101 is about 23 million light years distant and part of a group of 9 or more galaxies. Its group is close to the M51 galaxy group and the two are sometimes considered as one larger group.

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M101, Nigel