Messier 82
Galaxy
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M82 Galaxy
Messier 82 is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major. It is the second-largest member of the M81 Group, with the D₂₅ isophotal diameter of 12.52 kiloparsecs. Wikipedia
Coordinates: RA 9h 55m 52s | Dec +69° 40′ 47″
Radius: 18,500 light years
Apparent mass: ~50 billion M☉
Constellation: Ursa Major
Magnitude: 8.41
Stars: 30 billion
Age: 13.3 billion years