The Core of the Question Mark NGC 7822 (Mau_Bard)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 588 · LDN 1266 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1275 · NGC 7822 · Sh2-171

The Core of the Question Mark NGC 7822

Revision title: v2

The Core of the Question Mark NGC 7822

Revision title: v2

NGC 7822
NGC 7822 is a young star forming complex in the constellation of Cepheus. The complex encompasses the emission region designated Sh2-171, and the young cluster of stars named Berkeley 59. The complex is believed to be some 2600-3200 ly distant, with the younger components aged no more than a few million years.

Together with Ced 214, it resembles the shape of a question mark, nickname that is frequently used to designate them (see my large field picture below).

Hot Star
The complex also includes one of the hottest stars discovered within 1 kpc (3200 ly) of the Sun, TYC 4294-6-1 (highlighted in the annotated pane), which is an eclipsing binary system with an O5V that exhibits a surface temperature of nearly 45,000 K and a luminosity about 100,000 times that of the Sun. The star is one of the primary sources illuminating the nebula and shaping the complex's pillars of creation-type formations.
(Excerpted by Wikipedia)

Cederblad 214 and NGC 7822. My picture published 2023.

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Status	Advanced success
Started	...
Astrometry.net job	6352783
PixInsight job	FCBQL0TIFUQ4E9OV701Q1UE64ZISTGI0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h03m33s.209
RA (top/left)	23h57m05s.730
RA (top/right)	00h10m14s.341
RA (bottom/right)	00h10m16s.180
RA (bottom/left)	23h56m38s.312

Dec (center)	+67°17′13″.97
Dec (top/left)	+66°49′58″.72
Dec (top/right)	+66°51′44″.48
Dec (bottom/right)	+67°43′27″.87
Dec (bottom/left)	+67°41′36″.63

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The Core of the Question Mark NGC 7822

Revision title: v2

The Core of the Question Mark NGC 7822

Revision title: v2

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The Core of the Question Mark NGC 7822

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The Core of the Question Mark NGC 7822

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