Pacman Nebula (James Hawks)

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

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Pacman Nebula

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Pacman Nebula

The Pacman Nebula, also known as NGC 281, is ~9500 light years away in the constellation of Cassiopeia. NGC 281 is a bright emission nebula and part of an H II region.

This image was captured, in a Queen Creek (Arizona) Bortle 7 backyard, using a Skywatcher Esprit 150ED telescope. The telescope is mounted on a 10Micron GM2000 HPS II mount. The camera is a ZWO ASI 2600MM Pro using an Antlia SII, OIII, and HA 3nm filters. It was captured over 4 nights (2022-11-04 to 2022-11-07). The images were stacked/processed in Pixinsight and fine-tuning done in Photoshop.

Acquisition:
   Location: Queen Creek, AZ Bortle 7
   Dates: 2022-11-04 to 2022-11-07
   Lights (Dithered, Cooled -20°C, Gain 100):
30 x 600s SII
       30 x 600s Ha
30 x 600s OIII
   Bias: 200
   Flats: 25 Each Filter

Hardware:
   Camera: ZWO ASI 2600MM PRO
   Scope: Skywatcher Esprit 150ED
   Focuser: FocusCube2
   Guide Camera: ASI 174mm Mini
   Guide Scope: ZWO OAG-L
   Mount: GM2000 HPS II
   Filters: SII, OIII, HA 3nm

Software:
   NINA
   Pixinsight
   Photoshop

Processing:
   Stacked in Pixinsight (WBPP, SubframeSelector, ImageIntegration)
   Pixinsight (DCrop, DBE, EXDecon, EZDenoise, GeneralizedHyperbolicStretch, PixelMath, BGNeutralization, Curves (SHO Hue), SCNR, StarXTerminator, ArcsignStretch)
   Photoshop (AstroFlat Pro, APF-R, Camera Raw, Image Color/Levels/Brightness/Vibrance/Saturation)

ZWO ASI2600MM Pro
N.I.N.A. Users
Skywatcher Esprit ED Super APO Triplet

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

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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
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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
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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	6575830
PixInsight job	4U34NR779XJKHFTGHTRB460ALXDW9FNK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h52m22s.442
RA (top/left)	00h48m08s.651
RA (top/right)	00h56m43s.240
RA (bottom/right)	00h56m42s.690
RA (bottom/left)	00h47m56s.320

Dec (center)	+56°41′12″.76
Dec (top/left)	+56°16′22″.78
Dec (top/right)	+56°17′45″.27
Dec (bottom/right)	+57°05′29″.29
Dec (bottom/left)	+57°04′04″.72

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Pacman Nebula

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Pacman Nebula

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