IC 2520 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: IC 2520

IC 2520

This Astrobin Debut Object is a galaxy located 85 million light years away in the constellation of Leo at a declination of +27 degrees. It spans only 50 arc-seconds in our apparent view. This corresponds to a small diameter of 25,000 light years.

This is a seldom imaged or studied object. Although I haven't seen any discussion along these lines, it looks like a Stage 4 Galaxy Merger (Coalesced Cores) to me, with starburst activity occurring as a result of the interactions. The galaxy disk has been obliterated and only the inner sections of both galaxies are left remaining. The yellow central portion looks like a remnant core with brown dust lanes wrapping around the nearly spherical object.

It looks somewhat like Arp 212:

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B

B

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ZWO ASI294MM Pro Images
Images from the EdgeHD Series
Schmidt-Cassegrain Telescope (SCT) Imagers
Unique or Unusal Deep Sky Targets
CMOS Imagers
Cloudy Nights
First on Astrobin
Rarely Imaged Small DSOs
Texas Astronomy

Astrobin Debuts (670 DSOs)
M5 (1 Core) Galaxy Merger

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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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	5618913
PixInsight job	1U6DKIYZ2X2XJQXXG2AT7AF5R2LHUAQO
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h56m20s.257
RA (top/left)	09h57m10s.888
RA (top/right)	09h55m28s.431
RA (bottom/right)	09h55m29s.722
RA (bottom/left)	09h57m11s.975

Dec (center)	+27°13′42″.59
Dec (top/left)	+27°21′38″.98
Dec (top/right)	+27°21′15″.67
Dec (bottom/right)	+27°05′45″.63
Dec (bottom/left)	+27°06′08″.41

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IC 2520

IC 2520

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IC 2520

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