Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
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M81, Tommy Mastro
M81
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M81

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M81, Tommy Mastro
M81
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M81

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Description

Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a isophotal diameter of 29.44 kiloparsecs (96,000 light-years).  Because of its relative proximity to the Milky Way galaxy, large size, and active galactic nucleus (which harbors a supermassive black hole), Messier 81 has been studied extensively by professional astronomers. The galaxy's large size and relatively high brightness also makes it a popular target for amateur astronomers. In late February 2022, astronomers reported that M81 may be the source of FRB 20200120E, a repeating fast radio burst.

~Wikipedia

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M81, Tommy Mastro