NGC7822 in HaOiiiRGB (Craig Young)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD224826 · HD224918 · HD225136 · HD225216 · HD225271 · LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 587 · LBN 588 · LBN 589 · LDN 1266 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1273 · LDN 1275 · NGC 7822 · Sh2-171

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NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

Powered byPixInsight

NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

NGC 7822 is a young star forming complex in the constellation of Cepheus. The complex encompasses the emission region designated Sharpless 171, and the young cluster of stars named Berkeley 59. The complex is believed to be some 800–1000 pc distant, with the younger components aged no more than a few million years. The complex also includes one of the hottest stars discovered within 1 kpc of the Sun, namely BD+66 1673, which is an eclipsing binary system consisting of 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 famed pillars of creation-type formations, the elephant trunks.

This image is a subset of a much larger formation known as the "Question Mark" nebula due to it's resemblance. I'll capture more frames over time and create a mosaic of the entire question mark.

1hr, 26 min total integration time, consisting of:
65, 60 second lights in RBG using Optolong L-Pro filter collected 12/25/23
21, 60 second lights in Ha and Oiii using Optolong L-Enhance filter collected 12/18/23.

Processed in PixInsight.

SVBony SV503 80ED Refractor with StellarVue 0.8 FFR
ZWO AM5 mount
ZWO ASI290 Guide Camera
ZWO 30mm Guide Scope
ZWO ASIAIR plus controller
ZWO ASI294MC Pro Camera

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Title: NGC7822 in HaOiiRGB without signature

Description: Signature seems to cause issues with platesolving

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Status	Advanced success
Started	...
Astrometry.net job	8971945
PixInsight job	AI224UPQ08LBJOMDU7HT5Z1VKMFY14HN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h01m03s.53
RA (top/left)	00h13m22s.48
RA (top/right)	23h56m14s.42
RA (bottom/right)	23h49m39s.33
RA (bottom/left)	00h05m20s.94

Dec (center)	+67°25′59″.1
Dec (top/left)	+68°19′19″.8
Dec (top/right)	+68°49′27″.2
Dec (bottom/right)	+66°29′22″.10
Dec (bottom/left)	+66°02′03″.7

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NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

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NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

NGC7822 in HaOiiiRGB

Revision title: NGC7822 in HaOiiRGB without signature

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