Zw III 33 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Pisces (Psc)

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Zw III 33

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Zw III 33

This Astrobin Debut Object is a collisional ring galaxy located 360 million light years away in the constellation of Pisces at a declination of +17 degrees. The small white impacting galaxy at the center is 20,000 light years in diameter, while the larger blue ring is 60,000 light years in diameter.

I could not find any detailed information on this galaxy.

I love collisional galaxies, created when a larger galaxy experiences a direct a head-on collision, along its polar axis, with a smaller galaxy. The collision creates an expanding density wave of star formation, resulting in a ring in the larger galaxy. Such a collision would seem like a rare incident to me, yet we see so many objects like this. I have captured 11 of them previously in my Collisional Ring Poster.

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Images from the EdgeHD Series
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Rarely Imaged Small DSOs
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Astrobin Debuts (670 DSOs)
Galaxy - Collisional Ring

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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	5237328
PixInsight job	G7LYLNWCFJM69KEVJQKKCY4RL93LODJ2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h43m56s.528
RA (top/left)	01h44m17s.586
RA (top/right)	01h43m35s.675
RA (bottom/right)	01h43m35s.489
RA (bottom/left)	01h44m17s.370

Dec (center)	+17°03′46″.10
Dec (top/left)	+17°06′56″.65
Dec (top/right)	+17°07′01″.42
Dec (bottom/right)	+17°00′35″.55
Dec (bottom/left)	+17°00′30″.31

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Zw III 33

Zw III 33

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Zw III 33

Zw III 33

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