NGC 7771 Galaxy Group & Supernova 2019iex (Gary Imm)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7769 · NGC 7770 · NGC 7771

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NGC 7771 Galaxy Group & Supernova 2019iex

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NGC 7771 Galaxy Group & Supernova 2019iex

This object is a galaxy group located 200 million light years away in the constellation of Pegasus at a declination of +20 degrees. The left large galaxy is NGC 7769, the right large galaxy is NGC 7771, and the satellite just above this galaxy is NGC 7770. The disks of each of the large galaxies span just over 1 arc-minute in our apparent view, which corresponds to a diameter of 80,000 light years. However, the tidal streams of each galaxy are up to three times this wide.

There is so much that I love about this object - the colors of each galaxy, the interesting core structures, the disturbed disks of each galaxy, the beautiful spiral arms, the detailed small galaxies that are scattered throughout the image, and of course the extended star streams. The star streams look like extensions of the galaxy arms, but they contain no young stars and so therefore are clearly tidal streams.

The supernova was discovered on May 26, 2019 and is the brightest star within the disk at 11 o'clock in the image.

ZWO ASI183/QHY183
The refractors!
Cloudy Nights
Takahashi Refractors

Supernovae

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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Distribution of data sources

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	3001604
PixInsight job	MN2FHL8KXEQVY3ILAMCK4SL43DWQK3EA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h51m13s.475
RA (top/left)	23h50m26s.184
RA (top/right)	23h52m02s.493
RA (bottom/right)	23h52m00s.836
RA (bottom/left)	23h50m24s.372

Dec (center)	+20°07′42″.28
Dec (top/left)	+19°58′32″.55
Dec (top/right)	+19°59′03″.53
Dec (bottom/right)	+20°16′51″.60
Dec (bottom/left)	+20°16′20″.17

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NGC 7771 Galaxy Group & Supernova 2019iex

NGC 7771 Galaxy Group & Supernova 2019iex

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NGC 7771 Galaxy Group & Supernova 2019iex

NGC 7771 Galaxy Group & Supernova 2019iex

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