The Cygnus Wall (Greg Mason)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B355 · HD199580 · HD199956 · HD200060 · HD200103 · HD200311 · HD200407 · LBN 354 · LBN 356 · LBN 373 · LDN 935 · Sh2-117

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The Cygnus Wall

Revision title: The Cygnus Wall

Powered byPixInsight

The Cygnus Wall

Revision title: The Cygnus Wall

I worked on this for a couple of winters. It was a target I went to when I ran out of time on something else. I realized I had enough to process it, so here it is. I still plan to add to it over the course of this winter.

PixInsight Workflow

Pre-Processing:

Master Super Bias from library.
Master Dark from library.
Master Flats per set from Super Bias and Master Dark Flat from library.

ImageCalibration
CosmeticCorrection
SubframeSelector (Weight, choose reference files and approve)
StarAlignment (Generate Drizzle Data)
LocalNormalization
ImageIntegration (Modify Drizzle Data)
DrizzleIntegration

Now have individual, unstretched Ha, Sii and Oiii files.

Post-Processing:

StarAlignment
DynamicCrop
GradientCorrection
LinearFit
BlurXterminator - Correction Only
TGVDenoise
MultiScaleMedianTransform

PixelMath to Combine Ha, Oiii & Sii
⦁   R = .4*Ha + .6*Sii
⦁   G = .4*Oiii + .3*Ha + .3*Sii
⦁   B = Oiii

BlurXterminator
ArcsinhStretch
Now working with stretched RGB file.
LocalHistogramEqualization
MultiscaleLinearTransform
CurvesTransformation to adjust saturation, mask, as needed
MorphologicalTransformation for star reduction

Original
Final
F

F

Title: The Cygnus Wall

Description: BlurXterminator and a bit more saturation.

Uploaded: ...

Texas Astronomy
Narrowband imaging

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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	9679512
PixInsight job	MGTVZUXLB0P42Q0SY3F006VORHV470B9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h59m44s.734
RA (top/left)	20h56m23s.695
RA (top/right)	20h56m46s.547
RA (bottom/right)	21h03m00s.516
RA (bottom/left)	21h02m47s.937

Dec (center)	+43°34′18″.77
Dec (top/left)	+44°19′04″.42
Dec (top/right)	+42°46′52″.86
Dec (bottom/right)	+42°49′13″.57
Dec (bottom/left)	+44°21′28″.29

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The Cygnus Wall

Revision title: The Cygnus Wall

The Cygnus Wall

Revision title: The Cygnus Wall

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Image Index:

Contribution Index (beta):

The Cygnus Wall

Revision title: The Cygnus Wall

The Cygnus Wall

Revision title: The Cygnus Wall

Equipment

Acquisition details

Description

Comments

Revisions

F

Sky plot

Histogram

In these public groups

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