Arp 225 in Camelopardalis (Nico Augustin)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: NGC 2655

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Arp 225 in Camelopardalis

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Arp 225 in Camelopardalis

This is spiral galaxy Arp225 (NGC2655) in Camelopardalis, about 79 million light-years away. I did not find much information about this target, but it might be a Seyfert galaxy and, as such, may host a supermassive black hole in its active galactic center. Compared to its bright core, the spiral arms of Arp225 are super faint and look kind of weird. They show traces of a strong interaction or merger event and thus might be rather the tidal tail of a dwarf galaxy that was pulled apart by Arp225. Also, the structure of the central dust bands might be caused by this disturbance. The remnants of the interacting dwarf galaxy are believed to be the faint blob (An 0849+78 ) in direction 8 o'clock.

It's a pretty challenging target, especially when photographing with an OSC camera at F10. Still, it is possible, and this image contains the most accumulated exposure time I have yet collected from one target: 22 hours and a lot of postprocessing! But I guess it came out quite well and hope you enjoy 🤩

See also:
Möllenhoff & Heidtand (2001) Astron. Astrophys. 368:16-37, doi: 10.1051/0004-6361:20000335
Sparke et al. (2008 ), Astronom. J., 135:99–111, doi:10.1088/0004-6256/135/1/99
Karachentseva et al. (1996), Astron. Astropys. Suppl. Ser. 117:343-368, 1996A&AS..117..343K

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Status	Advanced success
Started	...
Astrometry.net job	5545814
PixInsight job	NTHZR5TTOW7E19YXLJX77Y66DW38S5VN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	08h55m52s.894
RA (top/left)	08h51m49s.934
RA (top/right)	09h00m11s.888
RA (bottom/right)	09h00m02s.996
RA (bottom/left)	08h51m26s.781

Dec (center)	+78°13′13″.28
Dec (top/left)	+78°02′49″.15
Dec (top/right)	+78°03′54″.91
Dec (bottom/right)	+78°23′24″.66
Dec (bottom/left)	+78°22′17″.34

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Arp 225 in Camelopardalis

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