Crop of Soul Nebula in Sulphur & Hydrogen Bicolor (Robert H. Kutner)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: LBN 675 · Sh2-201 · WISEA J025844.19+603420.1

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Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

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Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

Been collecting this region for the past month. For acquisition: Dithered 1 pixel every 3rd frame for ~160 x 300s images for Ha and Sii, about ~75% were usable. The New Moon is approaching and I am collecting third-line O emissions for the whole region. In the meantime, do have a safe Halloween!

Blink / Subframe Select, Calibrated (40 Dark, 60 Flat, 100 Bias), Star Aligned all images with PixInsight. Used the Normalized Scale Gradient for integration.

For Ha & Sii channels: Cropped, DBE, EZ Denoise (& duplicated the Ha here for the Lum), EZ Soft Stretch, StarNet for star removal, and channel combined using PixelMath R = Sii and G = Ha followed by SCNR. The duplicated Ha -> Lum was Mask Stretched, HDR, LHT, MMT, Star reduced with EZStarRed, and LRGB combined with the PixelMath SH image.

For select stars, used some Oiii frames, made a SHO starfield, and used PixelMath to replace some stars using a Star Mask.

Image L channel only HisT and CurveT adjusted to taste with masks. Resample, Crop, and Annotation.

ZWO ASI2600MM Pro
Narrowband imaging
William Optics GT Series
CMOS Imagers
Cloudy Nights
Suburban Astrophotography
Sharpless2 Objects

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	6443422
PixInsight job	391O76M1IK9L61OA8WZF11E58Y6R192M
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h00m21s.840
RA (top/left)	03h00m54s.685
RA (top/right)	02h56m49s.119
RA (bottom/right)	02h59m47s.995
RA (bottom/left)	03h03m51s.232

Dec (center)	+60°38′30″.26
Dec (top/left)	+60°10′41″.55
Dec (top/right)	+60°49′18″.88
Dec (bottom/right)	+61°06′17″.88
Dec (bottom/left)	+60°27′21″.90

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Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

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Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

Crop of Soul Nebula in Sulphur & Hydrogen Bicolor

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