NGC 7156 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7156

NGC 7156

This Astrobin Debut Object is a lonely small face-on grand design spiral galaxy located 185 million light years away in the constellation of Pegasus at a declination of +22 degrees. It is a magnitude 13 galaxy which spans 1.3 arc-minutes in our apparent view. This corresponds to a diameter of 70,000 light years.

The arms extend out from the core for over 360 degrees of rotation. Surprisingly for this distance, blue star clouds are seen in the disk along with possibly a small companion or two.

Something funny is happening in the disk at 6 o’clock, possibly due to a companion. The arm has a large 30 degree gap before it picks up again.

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B

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Astrobin Debuts (670 DSOs)

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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
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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	7103052
PixInsight job	4Z2LEDELV5F4H7X62MBO4A2JT7U7CVPS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h54m33s.530
RA (top/left)	21h55m14s.598
RA (top/right)	21h53m52s.440
RA (bottom/right)	21h53m52s.462
RA (bottom/left)	21h55m14s.969

Dec (center)	+02°56′35″.78
Dec (top/left)	+03°04′17″.58
Dec (top/right)	+03°04′10″.31
Dec (bottom/right)	+02°48′54″.40
Dec (bottom/left)	+02°49′01″.62

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NGC 7156

NGC 7156

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NGC 7156

NGC 7156

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