NGC2359 - Thor's Helmet (SHO) (Greg Mason)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: HD56500 · HD56501 · HD56525 · HD56547 · HD56548 · HD56574 · HD56594 · HD56595 · HD56771 · HD56772 · HD56829 · HD56830 · HD56831 · HD56970 · HD57008 · HD57009 · HD57027 · HD57057 · HD57083 · HD57084 · HD57256 · HD57323 · HD57369 · IC 468 · LBN 1040 · LBN 1041 · NGC 2359 · Sh2-298

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NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

Powered byPixInsight

NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

My first attempt at processing this was not good. The data is still lacking. I didn't put enough time into it, but I reprocessed it with a different workflow, and it looks much better. I think.

PixInsight Workflow

Weighted Batch Pre-Processing:
2X Drizzle Integration

Post-Processing:

StarAlignment
GradientCorrection
BlurXterminator - Correction Only
LinearFit
BlurXterminator
TGVDenoise
MultiScaleMedianTransform
ArcsinhStretch

PixelMath (R = .6*Sii + .4*Ha, G = .7*Ha + .3*Oiii, B - Oiii)

Now working with stretch RGB file.

BackgroundNeutralization
CurvesTransformation to adjust Hue to taste and to balance colors.

Starnet2 to create starless image.
PixelMath to adjust starless image (1-(1-$T)*(1-$T) )
HistogramTransformation on starless image to increase contrast
PixleMath to blend starless image with RGB (F=0.4; (1-(1-$T)*(1-s)*F)+($T*~F) )
LocalHistogramEqualization
MultiscaleLinearTransform
CurvesTransformation to adjust saturation, mask, as needed
MorphologicalTransformation for star reduction

Original
Final
B

B

Title: NGC2359 - Thor's Helmet (SHO) Reprocessed

Uploaded: ...

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	Distinct awarded users	Total awarded images
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This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
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	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	9605792
PixInsight job	Y2SUR5CKBN197D49YX8RUBL1IUSOKOAA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h18m36s.999
RA (top/left)	07h16m33s.489
RA (top/right)	07h16m47s.219
RA (bottom/right)	07h20m41s.660
RA (bottom/left)	07h20m26s.214

Dec (center)	-13°13′24″.17
Dec (top/left)	-12°36′04″.15
Dec (top/right)	-13°53′12″.80
Dec (bottom/right)	-13°50′39″.20
Dec (bottom/left)	-12°33′29″.58

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Contribution Index (beta):

NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

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Image Index:

Contribution Index (beta):

NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

NGC2359 - Thor's Helmet (SHO)

Revision title: NGC2359 - Thor's Helmet (SHO) Reprocessed

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

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