Arp 252 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: PGC 27928 · PGC 27929 · PGC 851266

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Arp 252

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Arp 252

This object is an interacting galaxy pair located about a half billion light years away in the constellation of Hydra at a declination of -20 degrees. The top galaxy is ESO 566-8 and the bottom galaxy is ESO 566-7. Not counting the star streams, each galaxy spans about 20 arc-seconds in our apparent view, which corresponds to an actual diameter of about 50,000 light years. I love this Arp object.

The star streams are the star of the show here. There are 3 star streams, one connecting the 2 galaxies and one on either side. Each of these star stream segments extends for about 300,000 light years. I like the subtle variations in brightness and color along the length of the star stream path. I also like the curving arcs of the streams.

If you enjoy star streams as much as I do, my gallery of star stream objects is here.

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Description: Comparison to Original Arp Image

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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
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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	4098213
PixInsight job	QGWGU5XQ2EZJMXU2N3R2XPZE9O36LVO0
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h44m58s.829
RA (top/left)	09h45m23s.275
RA (top/right)	09h44m30s.460
RA (bottom/right)	09h44m34s.345
RA (bottom/left)	09h45m27s.228

Dec (center)	-19°43′29″.40
Dec (top/left)	-19°37′43″.46
Dec (top/right)	-19°38′49″.34
Dec (bottom/right)	-19°49′14″.35
Dec (bottom/left)	-19°48′09″.15

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Arp 252

Arp 252

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Arp 252

Arp 252

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