NGC 4013 (Jerry Yesavage)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: NGC 4013

NGC 4013

Given my weather very few exposures, but another interesting bright galaxy I believe suggested by Gary Imm for my humid cloudy site. Using his Deep Sky Compendium to find reasonable targets.

Despite 60 L images I could not visualize the star formation region shown below....

From Wikipedia:

NGC 4013 is an edge-on barred spiral galaxy about 55 million light years away in the constellation Ursa Major. The disk of NGC 4013 shows a distinct "peanut"-shaped bulge in long exposure photographs that N-body computer simulations suggest is consistent with a stellar bar seen perpendicular to the line of sight.[4]

Infrared image of the galaxy showing a ring of heavy star formation

A recent deep color image of NGC 4013 revealed a looping tidal stream of stars extending over 80 thousand light-years from the Galactic Center. This structure is thought to be the remnants of a smaller galaxy that was torn apart by tidal forces as it collided with NGC 4013.[5]

Supernova SN 1989Z was discovered on December 30, 1989 at apparent magnitude 12.[6]

NGC 4013 is a member of the Ursa Major Cluster.[7]

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Status	Advanced success
Started	...
Astrometry.net job	9183667
PixInsight job	MAQ5YKU53SADWJ6S4VL32PAKDAYEHH8W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h58m32s.292
RA (top/left)	11h59m37s.160
RA (top/right)	11h57m28s.443
RA (bottom/right)	11h57m27s.917
RA (bottom/left)	11h59m35s.634

Dec (center)	+43°56′52″.23
Dec (top/left)	+44°08′17″.94
Dec (top/right)	+44°08′28″.48
Dec (bottom/right)	+43°45′28″.63
Dec (bottom/left)	+43°45′12″.74

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