Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
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M81 & M82, Alessandro Cavallaro
M81 & M82
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M81 & M82

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M81 & M82, Alessandro Cavallaro
M81 & M82
Powered byPixInsight

M81 & M82

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Description

The M81 Group is a galaxy group in the constellationsUrsa Major and Camelopardalis that includes the galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses.[1] The approximate center of the group is located at a distance of 3.6 Mpc, making it one of the nearest groups to the Local Group.[1] The group is estimated to have a total mass of (1.03 ± 0.17)×1012M☉.[2] The M81 Group, the Local Group, and other nearby groups all lie within the Virgo Supercluster (i.e. the Local Supercluster).[3]

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M81 & M82, Alessandro Cavallaro