A Phantom in Cassiopeia (SH2-173 in HSS+RGB) ( Jason Doyle Sr )

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A Phantom in Cassiopeia (SH2-173 in HSS+RGB)

Imaging Telescopes Or Lenses: Sky-Watcher Esprit 100ED
Imaging Cameras: QHYCCD QHY268 M
Mounts: Sky-Watcher EQ6-R
Filters: Antlia Blue · Antlia Green · Antlia Luminance · Antlia Red · Chroma H-alpha 3nm Bandpass · Chroma SII 3nm Bandpass
Software: Adobe Photoshop · Aries Productions Astro Pixel Processor (APP) · Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)

Dates:: Oct. 14, 2022 · Oct. 19, 2022 · Oct. 20, 2022
Frames:: Antlia Blue: 100×30″(50′) (gain: 0.00) bin 1×1
Antlia Green: 100×30″(50′) (gain: 0.00) bin 1×1
Antlia Luminance: 100×30″(50′) (gain: 0.00) bin 1×1
Antlia Red: 100×30″(50′) (gain: 0.00) bin 1×1
Chroma H-alpha 3nm Bandpass: 199×180″(9h 57′) (gain: 56.00) bin 1×1
Chroma SII 3nm Bandpass: 194×180″(9h 42′) (gain: 56.00) bin 1×1
Integration:: 22h 59′
Avg. Moon age:: 22.55 days
Avg. Moon phase:: 45.59%
Bortle Dark-Sky Scale:: 7.00

RA center: 00h22m38s.36

DEC center: +61°42′21″.3

Pixel scale: 1.861 arcsec/pixel

Orientation: -21.135 degrees

Field radius: 1.377 degrees

WCS transformation: thin plate spline

More info:Open

Resolution: 4456x2912

File size: 17.0 MB

Locations: Home, Parkville, Maryland, United States

Data source: Backyard

SH2-173, Phantom of the Opera, in HSS+RGB.
Not much OIII in this area, but plenty of Ha and a good bit of SII too, so I shot this nebula in HSS. I couldn't find any HSS versions of this target in AB, so maybe that makes this one unique

I like the look of HSS images... I think it adds a lot of contrast over just HaRGB alone.
I've been shooting in and around Cepheus for the past few months. There is so much going on in this region of the sky.
CS.

Skywatcher Esprit ED Super APO Triplet
Imaged with N.I.N.A.
Cloudy Nights
Processed with Photoshop
Light Polluted skies
Suburban Astrophotography
Narrowband imaging
QHY268M/ZWO2600M Images
Sharpless2 Objects
The refractors!

	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds

	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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Status	Advanced success
Started	...
Astrometry.net job	6463371
PixInsight job	MO3VDHDP4YSVJH0EHRFGWNQDW9I9GH9I
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h22m38s.36
RA (top/left)	00h29m38s.76
RA (top/right)	00h11m13s.53
RA (bottom/right)	00h16m07s.12
RA (bottom/left)	00h33m51s.10

Dec (center)	+61°42′21″.3
Dec (top/left)	+62°48′32″.5
Dec (top/right)	+61°57′46″.5
Dec (bottom/right)	+60°34′59″.1
Dec (bottom/left)	+61°23′33″.1

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A Phantom in Cassiopeia (SH2-173 in HSS+RGB)

A Phantom in Cassiopeia (SH2-173 in HSS+RGB)

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A Phantom in Cassiopeia (SH2-173 in HSS+RGB)

A Phantom in Cassiopeia (SH2-173 in HSS+RGB)

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