Sh2-132 – SHO true color (Alex Woronow)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B369 · HD211070 · HD211430 · HD211564 · HD211643 · HD211774 · HD211820 · HD211853 · HD211982 · HD212183 · HD212312 · HD212455 · HD212533 · HD212809 · HD235765 · HD235775 · HD235793 · HD235807 · HD235809 · HD235810 · HD239919 · HD239928 · HD239929 · HD239933 · LBN 471 · LBN 473 · LDN 1150 · LDN 1154 · LDN 1156 · LDN 1161 · And 3 more.

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Sh2-132 – SHO true color

Powered byPixInsight

Sh2-132 – SHO true color

Sh2-132 – SHO true color

OTA: RH-305 (12” f/3.5)
Camera: SBIG STX-16803
Observatory: Deep Sky West
EXPOSURES:
H: 17 x 1200 sec
O: 24 x 1200
S: 22 x 1200
Total exposure 18 hours
Image Width: 2 deg
Processed by Alex Woronow (2022) using PixInsight, Topaz

This narrowband image shows the looks and bubbles that characterize areas with active star formation and, undoubtedly, the violent deaths of massive, short-lived stars. At least two Wolf-Rayet stars call this nebula home.

I processed this nebula after removing the stars via StarXTerminator. But putting the back has always been problematic. This morning I came across a video by Bill Blanshan showing the best method I have ever encountered. He offers it as a way to put RGB stars in SHO images, but it also puts very nearly perfect stars into starless RGB images. His video (https://www.youtube.com/watch?v=nqnONWVwf-A ) demonstrates quite convincingly why some of the more common approaches fail to reproduce star colors and intensities and why and how his method does a better job. This image used his method.

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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	6518301
PixInsight job	Q1TTVPU95LGJXM5WRIZLF20ODPPEWO3Z
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h19m06s.19
RA (top/left)	22h25m48s.60
RA (top/right)	22h12m10s.13
RA (bottom/right)	22h12m44s.00
RA (bottom/left)	22h25m43s.18

Dec (center)	+55°58′52″.5
Dec (top/left)	+56°55′07″.4
Dec (top/right)	+56°53′01″.10
Dec (bottom/right)	+55°01′27″.8
Dec (bottom/left)	+55°03′26″.0

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Sh2-132 – SHO true color

Sh2-132 – SHO true color

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Sh2-132 – SHO true color

Sh2-132 – SHO true color

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