Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000 (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: LBN 408 · LBN 409 · LBN 410 · LBN 411 · LBN 412 · LDN 1000 · LDN 1005 · LDN 966 · LDN 971 · LDN 978 · LDN 981 · LDN 982 · LDN 984 · LDN 985 · LDN 987 · LDN 988 · LDN 990 · LDN 991 · LDN 992 · LDN 996 · LDN 998 · LDN 999 · NGC 7031 · PK091+01.1 · Sh2-120 · Sh2-121

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Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

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Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

This is a two-panel mosaic of a rather rarely imaged area in Cygnus, a bit north of NGC7000. It contains a nice mix of red Ha-emitting nebulosity, dark nebulae and blue reflection nebulae.

I imaged it with my dual-RASA8 rig with NBZ filter (Ha+Oiii) on one of the scopes and without filter on the other. I then essentially mixed the data 50:50, so this is a HaOiiiRGB image. Given that it is a f/2 system and I gave it a decent integration time the image is quite deep and show more dust and colours than most images I have seen of this area.

While processing I noticed a small PN like structure. It is identified by the Astrobin platesolve as PK091+01.1 but it is registered as PN G091.6+01.8 in Simbad. Surprisingly I cannot find it on
https://planetarynebulae.net/. This apparent PN is so small that I will make a crop and post that separately as I have not been able to find any other images of it.

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Description: Edge crop + better stars

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"Nordish by nature"
Cooled Color Cams
Sharpless2 Objects
Celestron RASA
ZWO ASI 2600MC PRO
CMOS Imagers

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Status	Advanced success
Started	...
Astrometry.net job	8706567
PixInsight job	P5M7QW10VJUSMWN1KYJSK12FW5ZCK9W9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h06m34s.90
RA (top/left)	21h19m24s.60
RA (top/right)	20h53m46s.24
RA (bottom/right)	20h54m41s.58
RA (bottom/left)	21h18m26s.80

Dec (center)	+50°37′20″.1
Dec (top/left)	+52°19′15″.0
Dec (top/right)	+52°19′22″.0
Dec (bottom/right)	+48°50′20″.4
Dec (bottom/left)	+48°50′15″.2

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Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

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Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

Mixed nebulosity in Cygnus: Sh2-120, Sh2-121, LBN 408-412 and LDN 966-1000

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