UGC 4599 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Cancer (Cnc) · Contains: PGC 24699

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UGC 4599

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UGC 4599

This object is a ring galaxy located 90 million light years away in the constellation of Cancer at a declination of +13 degrees. This 14th magnitude galaxy spans 2 arc-minutes in our apparent view, which corresponds to an actual diameter of 50,000 light years.

This fascinating object consists of an elliptical galaxy surrounded by a faint luminous band of stars. This galaxy is the closest example to us of the type of galaxy similar to Hoag’s Object. It is not known exactly how these galaxies are formed. The 2011 paper “UGC 4599: A Photometric Study of the Nearest Hoag-Type Ring Galaxy”, by Finkelman and Brosch, speculates two possible scenarios - a merger between two HI-rich galaxies, and/or the cold accretion of gas from the IGM. I don't truly understand the mechanism of these scenarios as described in the paper.

Numerous faint galaxies are seen in the background. I did not fix the bright star camera artifact in this image, since I did not want to compromise the nearby faint ring.

Images from the EdgeHD Series
Unique or Unusal Deep Sky Targets
Cloudy Nights
First on Astrobin
Schmidt-Cassegrain Telescope (SCT) Imagers
ZWO ASI1600MM/QHY163M
Texas Astronomy

Astrobin Debuts (670 DSOs)
Galaxy - Outer Closed Ring

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
Astrometry.net job	3413527
PixInsight job	6VEODQJO1CBFGSX2KDLRL3J1HVJO55XP
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	08h47m41s.734
RA (top/left)	08h48m15s.948
RA (top/right)	08h47m07s.643
RA (bottom/right)	08h47m07s.556
RA (bottom/left)	08h48m15s.798

Dec (center)	+13°25′03″.68
Dec (top/left)	+13°30′29″.87
Dec (top/right)	+13°30′32″.40
Dec (bottom/right)	+13°19′37″.30
Dec (bottom/left)	+13°19′34″.56

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UGC 4599

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