M82 (Michael Feigenbaum)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Cigar Galaxy · M 82 · NGC 3034 · PGC 2731294 · PGC 2732102 · PGC 2732338 · PGC 3097961

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M82

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M82

Here we have a try at the iconic Cigar Galaxy, M82. This nearly edge-on starburst galaxy lies about 12 million light years away in Ursa Major.

This, to me, is a very interesting galaxy and for a number of reasons. The most obvious is of course, the big splash of the starburst area created by it's close proximity and interaction with M81. There are some other items of interest though... This galaxy is 5x more luminous than the Milky Way despite the fact that it contains about 1/10 the number of stars. The core contains two "ultra-luminous X-ray sources" one being an intermediate class black hole (an interesting subject by itself) and the other being a pulsar. Another item of interest to me is the fact that this galaxy is the brightest galaxy in the sky in infra-red wavelengths.

The foregoing information was obtained from the M82 entry on the website "messier-objects.com".

This last fact leads me to ask the question here about whether or not it would be fruitful to try to add a bunch of integration using some kind of IR pass filter. I'm sure some of my esteemed colleagues may have some thoughts or experience in this area.

Anyway, this was a fun and challenging subject to image and as always, comments/criticism encouraged!

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Status	Advanced success
Started	...
Astrometry.net job	4448959
PixInsight job	2LZHI1V0O5QC9CX6IGUW4XEEQFWIJI0I
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h55m48s.18
RA (top/left)	09h52m55s.75
RA (top/right)	09h58m06s.78
RA (bottom/right)	09h58m42s.15
RA (bottom/left)	09h53m27s.31

Dec (center)	+69°41′02″.8
Dec (top/left)	+69°35′31″.4
Dec (top/right)	+69°30′35″.3
Dec (bottom/right)	+69°46′23″.9
Dec (bottom/left)	+69°51′23″.1

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