Arp 52 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Orion (Ori)

Arp 52

This Astrobin Debut Object, also known as CGCG 421-27, is a tiny spiral galaxy located 390 million light years away in the constellation of Orion at a declination of +4 degrees. This magnitude 16 galaxy spans 35 arc-seconds in our apparent view, which corresponds to a diameter of 70,000 light years.

A galaxy’s designation says a lot about the type of object it is. Messier galaxies are showcase objects. NGC galaxies are bright and interesting. IC galaxies start to involve more obscure objects. UGC galaxies are even more faint and rarely imaged. PGC galaxies are even tougher to image. MCG galaxies are only for the most hardcore imagers. CGCG galaxies? Well, CGCG galaxies are scraping the proverbial bottom of the galaxy barrel. CGCG stands for the Catalog of Galaxies and Clusters of Galaxies and is the deepest of the early surveys.

This galaxy was classified by Dr. Arp into the category of Spiral Galaxies with Small, High Surface Brightness Companions on Arms. But is the small stellar like object just above and right of the core a companion, a distant galaxy, or a star? It looks like a small foreground star to me. There is some interesting local detail present in the galaxy surrounding the star, but I still think it is just a star and not a galaxy companion.

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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	4383461
PixInsight job	CPHZAIDYCE99XUR7WN77O8H3XW1NFU6U
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h19m40s.208
RA (top/left)	05h20m03s.529
RA (top/right)	05h19m15s.559
RA (bottom/right)	05h19m16s.893
RA (bottom/left)	05h20m04s.848

Dec (center)	+03°43′45″.80
Dec (top/left)	+03°48′29″.49
Dec (top/right)	+03°48′03″.30
Dec (bottom/right)	+03°39′02″.80
Dec (bottom/left)	+03°39′28″.63

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Arp 52

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