M106 decamps (crop) (Ian Dixon)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: M 106 · NGC 4217 · NGC 4218 · NGC 4220 · NGC 4226 · NGC 4231 · NGC 4232 · NGC 4248 · NGC 4258 · NGC 4288 · NGC 4346

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M106 decamps (crop)

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M106 decamps (crop)

M106 is an Sb spiral galaxy, with well defined bars, located in Canes Venatici.

Shot at 135 mm, this is a crop from the image "M106 camps out..". Aperture is f2.8, 120 sec subs, ISO 800 with a Canon 60D.

I was greeted by a small group of white-tailed deer as I drove down the grassy lane to the Glenlea observatory, and was pleased to see a large number of songbirds and a bald eagle on my pre-imaging hike (letting the optics cool down). The temps were good (+7*C) and the worrisome high horsetails dissipated as if on command at dusk. I spent some time focusing on Venus and later, on Arcturus. My camera and tracker seem to enjoy the warm temps. Spring is a good thing, ha ha.

Quoting from "Messier objects" website and SkySafari 6:

"M106 is 23.7 million light years and has an apparent magnitude of 9.1. It has the designation NGC 4258 in the NGC. Messier 106 was discovered by Pierre Mechain in 1781, but not added to Charles Messier's catalog until 1947, by Helen Sawyer Hogg. It appears reasonable to assume that Mechain had intended to add it to a future edition, along with M 105 and M 107. William Herschel catalogued M 106 as H V.43 in 1788.

Hints of spiral structure can be glimpsed in the form of two brighter extensions from the central region out into the halo, the northern extension being more prominent. Both extensions have an indistinct dark streak. Several stars appear embedded in the outer arms on both sides.

Messier 106 is a large, massive type Sb spiral system, with a tightly wound structure tilted 25° to our line of sight."

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Status	Advanced success
Started	...
Astrometry.net job	3474280
PixInsight job	A6E7UPS1ZENNUBCBMCKQIGW2OR1618AN
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h18m58s.12
RA (top/left)	12h11m22s.16
RA (top/right)	12h11m24s.76
RA (bottom/right)	12h26m11s.73
RA (bottom/left)	12h26m53s.38

Dec (center)	+47°21′13″.0
Dec (top/left)	+48°37′10″.3
Dec (top/right)	+46°06′47″.6
Dec (bottom/right)	+46°03′38″.2
Dec (bottom/left)	+48°33′44″.2

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M106 decamps (crop)

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