NGC7822 (Gabe Shaughnessy)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 7822 · Sh2-171

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NGC7822

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NGC7822

The star forming region of NGC7822 is located in the constellation Cepheus and is around 3000 light years away. It is home to large molecular clouds that form pillar like objects similar to the "Pillars of Creation" in the Eagle nebula, M16. Pillars such as these are made of molecular hydrogen and dust that are eroded away from the intense UV light of close by hot stars. The irradiation of UV causes the surrounding Hydrogen gas to ionize, but it's not evenly ionized throughout the cloud. This causes random clumps of dense gas within the cloud. The clumps then act as a shield for the gas down stream from the UV light. In essence, the pillars are the UV shadow from dense clumps of gas. One of the hottest stars in our region of the galaxy is located in this nebula. Its temperature is estimated to be around 45000 K with a luminosity 100000 times that of our Sun.

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Sharpless2 Objects
Cloudy Nights
Milwaukee Astronomical Society

Nebulae

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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.

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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	1735947
PixInsight job	FZ20AYSGA8K597YN66KYA5KG5615A2E4
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h03m23s.38
RA (top/left)	00h10m25s.97
RA (top/right)	23h56m14s.79
RA (bottom/right)	23h56m37s.83
RA (bottom/left)	00h10m15s.90

Dec (center)	+67°09′34″.3
Dec (top/left)	+67°38′28″.5
Dec (top/right)	+67°37′40″.2
Dec (bottom/right)	+66°39′32″.10
Dec (bottom/left)	+66°40′20″.10

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NGC7822

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NGC7822

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