NGC-281 The Pacman Nebula in SHO (Steve Argereow)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD5005 · IC 1590 · LBN 615 · LBN 616 · NGC 281 · Sh2-184

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NGC-281 The Pacman Nebula in SHO

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NGC-281 The Pacman Nebula in SHO

I have not used my mono camera since 10/2021. I figured it was finally time to try a Hubble Palette again!

NGC-281 The Pacman Nebula

NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern
constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. This 20×30 arcmin
sized nebulosity is also associated with open cluster IC 1590, 9,500 light-years distant, 48 light-years diameter.

Information Credits: Wikipedia

Telescope: Explorer Scientific 127mm CF APO Refractor f/7.5 (952mm Focal Length)
Explore Scientific X0.7 Reducer f/5.25 (667mm Focal Length)
Mount IOptron CEM40
Camera ZWOASI600MM-Pro Temp -10C, Binning 1 x 1, Gain 139 Offset 50
ZWO EFW

64 X 240 Second Exposures W/ZWO SII
77 X 240 Second Exposures W/ZWO Ha
68 X 240 Second Exposures W/Astrodon OIII
50 Dark Frames/30 Flats
Total Integration Time: 13 Hours 56 Minutes
Acquisition with SharpCap
Stacked with Astro Pixel Processor
Guiding PHD2
Processed with Astra Image
Photo taken from Seven Lakes, NC Bortle 4.5

AstroBin Platform open discussions community forum
North Carolina Astronomers
SharpCap Users

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	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

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	8654353
PixInsight job	EJEZSOJXWMTDIZGIYRF75R6GEUGS3D19
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h52m48s.12
RA (top/left)	00h50m07s.71
RA (top/right)	00h49m29s.46
RA (bottom/right)	00h55m23s.52
RA (bottom/left)	00h56m12s.92

Dec (center)	+56°37′40″.8
Dec (top/left)	+57°12′53″.7
Dec (top/right)	+56°06′38″.6
Dec (bottom/right)	+56°02′14″.9
Dec (bottom/left)	+57°08′25″.2

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NGC-281 The Pacman Nebula in SHO

NGC-281 The Pacman Nebula in SHO

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NGC-281 The Pacman Nebula in SHO

NGC-281 The Pacman Nebula in SHO

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