M82 - the exploding Cigar Galaxy (Bob Stevenson)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Cigar Galaxy · M 82 · NGC 3034 · PGC 2731294 · PGC 2732102 · PGC 2732797 · PGC 2733060

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M82 - the exploding Cigar Galaxy

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M82 - the exploding Cigar Galaxy

My goal here was to capture some of the extended Ha to the 'left' of M82 as well as good detail in the Ha wings of the galaxy. March 2024 provided some good nights to complete the project - even colour information which I usually hate repeating 3 times.

M82 is the second largest member of the M81 group at a distance of 12 million light years. It is an excellent example of a starburst galaxy, and is one of the closest such galaxies to Earth. It is 5 times more luminous than the Milky Way, with its central region being over 100 times more luminous.

M82 is actually an edge on spiral galaxy, with 2 symmetrical spiral arms visible in NIR.

M82 is being affected by tidal forces from its large neighbour M81. These forces have caused star formation to increase dramatically. Inside the starburst regions of M82, star formation is 10 times that of the entire Milky Way. M82's rather unique bipolar outflow is thought to be fueled by the energy released by supernovae which occur at a rate of one every ten years.

This object is a favourite of many on Astrobin, including me.

CS
Bob

Original
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F

Description: 3 Stooges exploding cigar - a true terrestrial classic

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Schmidt-Cassegrain Telescope (SCT) Imagers
Canadian Astrophotography
ZWO ASI2600MM Pro
IOptron CEM
Imaged with N.I.N.A.

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Status	Advanced success
Started	...
Astrometry.net job	9782241
PixInsight job	DQ6Y2I3B6M0QIWKGF5WGBT6YPOK727EL
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m47s.882
RA (top/left)	09h54m13s.486
RA (top/right)	09h53m54s.121
RA (bottom/right)	09h57m20s.339
RA (bottom/left)	09h57m43s.816

Dec (center)	+69°43′20″.95
Dec (top/left)	+69°56′55″.23
Dec (top/right)	+69°30′58″.40
Dec (bottom/right)	+69°29′41″.63
Dec (bottom/left)	+69°55′37″.63

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M82 - the exploding Cigar Galaxy

M82 - the exploding Cigar Galaxy

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M82 - the exploding Cigar Galaxy

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