Arp 256 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Cetus (Cet)

Arp 256

This Astrobin Debut Object is a pair of interacting galaxies located 380 million light years away in the constellation of Cetus at a declination of -10 degrees.  In his Arp catalog
Dr. Arp classified this object into the category of Galaxies with Appearance of Fission.

The top galaxy is MCG-02-01-052. This magnitude 14 galaxy spans 1 arc-minute in our apparent view, which corresponds to a Milky Way size diameter of 120,000 light years.   The bottom galaxy is MCG-02-01-051, also magnitude 14.

The two galaxies are connected by a faint star stream bridge.  Both galaxies are grand spirals with strong, slightly deformed arms. Star plumes emit from each of the arms. At the bottom end of the top galaxy is a bright star cloud or perhaps a small dwarf galaxy. The bottom galaxy core is intensely orange.

The small orange galaxy to the right of Arp 256 is LEDA 978951. No information is available for this galaxy.

Final
Original
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C

Description: Comparison to Arp and Hubble Images

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

Arp Catalog (Complete)
Astrobin Debuts (670 DSOs)
M2S (Short Bridge) Galaxy Merger

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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	4912345
PixInsight job	ZP9V2O8ASWPVY3N3FFS6EH7OSIMOXHVZ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h18m50s.330
RA (top/left)	00h19m18s.570
RA (top/right)	00h18m11s.921
RA (bottom/right)	00h18m22s.573
RA (bottom/left)	00h19m28s.743

Dec (center)	-10°21′41″.15
Dec (top/left)	-10°14′32″.30
Dec (top/right)	-10°18′46″.98
Dec (bottom/right)	-10°28′50″.13
Dec (bottom/left)	-10°24′35″.11

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Contribution Index (beta):

Arp 256

Arp 256

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Image Index:

Contribution Index (beta):

Arp 256

Arp 256

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