SH2-124 (Andrew Burwell)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 80 Cyg) · 80 pi.01 Cyg · Azelfafage · Azelfage (π1 Cyg · HD205795 · HD205808 · HD205966 · HD206121 · HD206731 · HD235555 · LBN 421 · LBN 423 · LBN 426 · LDN 1048 · LDN 1054 · LDN 1059 · PK094-00.1 · Sh2-124 · The star Azelfafage

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SH2-124

Link: https://www.macobservatory.com

Powered byPixInsight

SH2-124

Link: https://www.macobservatory.com

This was an extremely difficult target to image and process. I had initially planned on 4 days of imaging time. This is three days of images, around 24 hours total. I felt a bit like I was getting to the point of diminishing returns as each subsequent day was doing very little for the overall image. OIII and SII were almost non-existent, and the 9 hours of HA I got looked like what you would get after 3 hours on a bright target. I had to remove the stars to process each channel separately, then stretch multiple times to get them to a visible level. I mapped the three images to the standard SHO palette, then went in and selectively tone mapped separate areas to neutralize the grays and bring out some better coloring.

I did a separate process on the stars to get very close to RGB. I mapped HA to Red, 50% SII and 50% OIII to Green, and OIII only to Blue. Then some saturation and slight color tweak provides some really nice looking stars.

It took several hours to process, but I think it was worth the effort. It's a really pretty subject. Hope you like it.

Original
Final
B

B

Description: A complete reprocess. Brought out a ton more detail using StarXterminator and NoiseXterminator.

Uploaded: ...

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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
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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	6195095
PixInsight job	INWMTQ61TCDYHXVBVBNJR36HYIKZR8WC
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h38m29s.712
RA (top/left)	21h42m41s.999
RA (top/right)	21h42m38s.644
RA (bottom/right)	21h34m08s.365
RA (bottom/left)	21h34m32s.268

Dec (center)	+50°20′36″.72
Dec (top/left)	+49°22′10″.76
Dec (top/right)	+51°20′00″.81
Dec (bottom/right)	+51°18′30″.30
Dec (bottom/left)	+49°20′45″.37

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