NGC 7822 (John Carroll)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD223670 · HD224826 · HD224918 · HD225009 · HD225010 · HD225136 · HD225216 · HD225271 · HD404 · LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 588 · LDN 1264 · LDN 1266 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1275 · NGC 7762 · NGC 7822 · Sh2-171

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NGC 7822

Revision title: revised_v2

Powered byPixInsight

NGC 7822

Revision title: revised_v2

First attempt at imaging NGC 7822. Foraxx-like palette from OSC images. November 18, 2023, Little Rock, Arkansas. For post-processing, I used an approach described here by Paulyman Astro on YT.

Note: In the original version there was an error in the stars. I had just started astrophotography during the previous month and was just beginning to learn PixInsight. In retrospect, it appears that I rotated the image in PixInsight when starless and then forgot to rotate the stars. I would not make this mistake now but, with the square sensor, this is an easy rookie mistake to make.

Original
Final
C

C

Title: revised_v2

Description: Revised about 5 weeks later. Aims of revision: uncrop, bring out shadow/faint areas, use SPCC and minimal direct alteration of color after. Original version used a Foraxx-like palette. The stars are correctly aligned in this version. ;-)

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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	8949621
PixInsight job	CU95B3HABSBR0TBTMKVNT679R7HNFD21
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h03m39s.10
RA (top/left)	00h17m03s.50
RA (top/right)	23h49m21s.51
RA (bottom/right)	23h51m38s.20
RA (bottom/left)	00h16m33s.42

Dec (center)	+67°08′24″.3
Dec (top/left)	+68°25′31″.6
Dec (top/right)	+68°19′59″.9
Dec (bottom/right)	+65°47′30″.8
Dec (bottom/left)	+65°52′28″.2

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NGC 7822

Revision title: revised_v2

NGC 7822

Revision title: revised_v2

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Image Index:

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NGC 7822

Revision title: revised_v2

NGC 7822

Revision title: revised_v2

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Revisions

C

Sky plot

Histogram

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