Sh2-173 - The Mask in HSO --> PRGB (Uwe Deutermann)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 12 Cas · HD1613 · HD1697 · LBN 592 · LBN 593 · LDN 1282 · LDN 1283 · Sh2-173 · The star 12 Cas

Sh2-173 - The Mask in HSO --> PRGB

This is my try on the Phantom of the Opera. I selected first 5 minutes exposures, just to find out that this is for this target not enough, there was not enough depth in the image to really make it pop. So I decided to scrub the 5 minute trials and went for 10 minutes, and it was definitely worth it, hence to everybody who wants to take an image of Sh2-173 in suburban skies, 10 minutes with a 6" refractor seems to be more appropriate. I use my "standard" assignment of the 3 narrowband channels to Pseudo RGB. The 2 bright stars in this area do not make life easier either. Still, I am happy with the result. Once my APO (yes, I decided for a refractor to come in 2021) is here I want to do this object again with real RGB data.

PRGB assignment of the narrowband channels:

R = 45% Ha + 55% SII

G = 10% SII + 20% Ha + 70% OIII

B = 10% Ha + 90% OIII

Original
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C

Title: Annotated image

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ZWO ASI1600MM/QHY163M
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AstroBin Platform open discussions community forum
Sharpless2 Objects
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Narrowband imaging
Suburban Astrophotography

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Status	Advanced success
Started	...
Astrometry.net job	6245076
PixInsight job	O8P8CG5HXOBBPMDVL3A4ITTLZHNVXJFS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h21m57s.352
RA (top/left)	00h22m38s.821
RA (top/right)	00h17m43s.641
RA (bottom/right)	00h21m17s.334
RA (bottom/left)	00h26m12s.269

Dec (center)	+61°43′34″.10
Dec (top/left)	+62°13′35″.30
Dec (top/right)	+61°39′05″.86
Dec (bottom/right)	+61°13′32″.36
Dec (bottom/left)	+61°47′31″.80

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Sh2-173 - The Mask in HSO --> PRGB

Sh2-173 - The Mask in HSO --> PRGB

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Sh2-173 - The Mask in HSO --> PRGB

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