Arp 238 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa)

Arp 238

This Astrobin Debut Object, also known as UGC 8335, is a pair of small interacting galaxies located almost a half billion light years away in the constellation of Ursa Major at a declination of +62 degrees. Each magnitude 15 galaxy spans about 1 arc-minutes in our apparent view, which corresponds to a Milky Way size diameter for each of 130,000 light years.

In his Arp catalog, Dr. Arp classified this object into the category of Galaxies with Appearance of Fission.

The interesting features of this image are the star stream bridge and the extra galaxy arm in the bottom galaxy. The detail of the Hubble image in the mouseover is impressive and one of the better Hubble Arp images that I have seen. This is truly a spectacular object and I wish we were closer to it.

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Description: Comparison to Arp and Hubble Images

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Arp Catalog (Complete)
Astrobin Debuts (670 DSOs)
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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.
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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	4472558
PixInsight job	1PTFC8F4NAW4K81EZQBR7OIN8HX7OP0M
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h15m33s.830
RA (top/left)	13h16m38s.871
RA (top/right)	13h14m24s.511
RA (bottom/right)	13h14m27s.767
RA (bottom/left)	13h16m41s.198

Dec (center)	+62°07′36″.18
Dec (top/left)	+62°13′58″.14
Dec (top/right)	+62°13′33″.90
Dec (bottom/right)	+62°01′12″.43
Dec (bottom/left)	+62°01′36″.59

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Arp 238

Arp 238

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Arp 238

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