Messier 82 Redux

91. Messier 82 Redux


Messier 82  RA: 9h 55.8'  Dec: +69 41'   Ursa Major (UMa)

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Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major. A member of the M81 Group, it is about five times more luminous than the Milky Way and has a center one hundred times more luminous. The starburst activity is thought to have been triggered by interaction with neighboring galaxy M81. As the closest starburst galaxy to Earth, M82 is the prototypical example of this galaxy type. SN 2014J, a type Ia supernova, was discovered in the galaxy on 21 January 2014. In 2014, in studying M82, scientists discovered the brightest pulsar yet known, designated M82 X-2.
 

Image Information

Location Fingal ON
Date May 11 2012
Optics Celestron 9.25
Filters f/6.3 Reducer
Mount Celestron CGE
Camera Canon/Hutech 500DH
ISO 1600
Subexposures 10
Exposure Length 300
Guider WO ZS66SD/ST-4
 

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All images copyright © 2006-2021, Rick Saunders
Main text descriptions sourced from Wikipaedia.
Sky position information is based on IP geolocation and is therefore approximate.