NGC7023 (Joe Matthews)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD198385 · HD198737 · HD200099 · HD200775 · Iris Nebula · LBN 475 · LBN 483 · LBN 487 · LBN 495 · LDN 1168 · LDN 1170 · LDN 1171 · LDN 1172 · LDN 1173 · LDN 1174 · LDN 1177 · NGC 7023 · Sh2-136 · T Cep · VdB141

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NGC7023

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NGC7023

I last visited NGC7023 in January and the results weren't all that good. So I decided to spend some time on it last night before imaging Caldwell 41. I will be reprocessing the data for an update to this version but for now I am pleased with my effort so far.

The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487.The nebula, which shines at magnitude +6.8, is illuminated by a magnitude +7.4 star designated HD 200775.[1] It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alfirk). It lies 1,300 light-years away and is six light-years across.[2]

@wikipedia

Pasachoff, Jay M. (2000). "Atlas of the Sky". Stars and Planets. New York, New York: Peterson Field Guides. pp. 578 pg. ISBN 978-0-395-93432-6.
Caldwell-Moore, Sir Patrick (2003). Firefly Atlas of the Universe. Firefly Books Limited. ISBN 978-1-55297-819-1.

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Description: I think this version is a little cleaner

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Status	Advanced success
Started	...
Astrometry.net job	8648238
PixInsight job	5EG0K3CSPN8DCMNC9CPXCJFJ5UQUWYIV
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h02m13s.10
RA (top/left)	21h12m16s.79
RA (top/right)	20h43m15s.43
RA (bottom/right)	20h53m23s.57
RA (bottom/left)	21h20m39s.80

Dec (center)	+68°12′00″.10
Dec (top/left)	+69°42′54″.8
Dec (top/right)	+68°26′18″.6
Dec (bottom/right)	+66°38′55″.2
Dec (bottom/left)	+67°49′45″.1

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