The Transmogrification of IC 4628 (Alex Woronow)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: IC 4628

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The Transmogrification of IC 4628

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The Transmogrification of IC 4628

The Transmogrification of IC 4628

OTA:…………………TAO 150 (f/7.3)

Camera:…………..FLI - ML16200 (1.13 arcseconds/pixel)

Observatory:…..Deep Sky West, Chile

EXPOSURES:

…………..R:……………………16 x 600 sec

…………..G:………..…………13 x 600

…………..B:……………………17 x 600

…………..S:……………………14 x 1800

…………..H:…………..………13 x 1800

…………..O:……..……………16 x 1800

Total exposure: 29 hours

Image Width: 1.4 deg

Processed by Alex Woronow (2020) using PixInsight, Skylum, Topaz, SWT and more

IC 4628 is a powder-puff: relatively featureless and uninteresting at a moderate-to-fine scale—at least within the coverage of this image. Hydrogen-alpha overwhelming dominates this target, with minor contributions from OIII and SII. So, after a pile of work to boost color contrast, brightness contrast, black/white point manipulations, …, I obtained the base image shown in this blinked pair. That was, from my perspective as a lover of fine detail, a grand waste of time and effort. So I embarked on a quest to use “style transfer”, a “Generative Adversarial Network” artificial intelligence tool to take the essence of one image (called “texture”) and impose it on the base content of another. After a couple of days of trying various texture and algorithms, I settled on a texture image called “Smoke.” The other half the blinked image shows the result.

Enjoy!

Alex

Fine Art Astrophotography

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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.
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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	3812367
PixInsight job	9QW0QJTFM5ST4VXXEXK4FDRMVT3BR1BA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h56m33s.94
RA (top/left)	16h53m13s.82
RA (top/right)	17h00m28s.23
RA (bottom/right)	16h59m58s.53
RA (bottom/left)	16h52m35s.91

Dec (center)	-40°24′47″.3
Dec (top/left)	-39°47′16″.5
Dec (top/right)	-39°55′17″.5
Dec (bottom/right)	-41°01′56″.1
Dec (bottom/left)	-40°53′48″.1

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The Transmogrification of IC 4628

The Transmogrification of IC 4628

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The Transmogrification of IC 4628

The Transmogrification of IC 4628

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