NGC 7822 (Richard Francis)

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

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NGC 7822

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NGC 7822

There is some confusion about the naming of this object. Some sources name it Sh 2-171 with NGC 7822 reserved for fainter nebulosity to its north. However, John Herschel, compiler of the New General Catalogue, who discovered it in 1829, described it terms which match this object.

The area is teeming with hot and young stars, whose outflowing energy has shaped the region, sweeping out gas and dust from the central region, leaving pillars and globules of denser material behind. There is also a tracery of darker dust across the central part of the image, like high-altitude clouds on Earth.

The data for this image were taken over 14 nights spread from 28 Sep 2020 to 15 Dec 2020. In total:

47x 600s SII

39x 600s Ha

30x 600s OIII

Note that Revision B is the same as the original. For some reason the original image did not show up so I reloaded it.

Original
Final
B

UK Astro-Imaging
Astrophotographes (France)
PixInsight Addicts
Narrowband imaging

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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
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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
Professional, scientific grade data
Mix of multiple sources
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	4651501
PixInsight job	JY9RWJ6KWC1OKWSQZN0S9OBLX1CPLX1S
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h03m35s.269
RA (top/left)	00h09m13s.672
RA (top/right)	23h57m58s.453
RA (bottom/right)	23h58m11s.105
RA (bottom/left)	00h08m57s.197

Dec (center)	+67°09′26″.10
Dec (top/left)	+67°41′02″.95
Dec (top/right)	+67°41′15″.31
Dec (bottom/right)	+66°37′04″.10
Dec (bottom/left)	+66°36′54″.42

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NGC 7822

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NGC 7822

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