NGC 7331 Group + Stephan's Quintet Calibrated with SPCC (SemiPro)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7317 · NGC 7318 · NGC 7319 · NGC 7320 · NGC 7331 · NGC 7333 · NGC 7335 · NGC 7336 · NGC 7337 · NGC 7338 · NGC 7340 · PGC 141035 · PGC 141039 · PGC 141041 · PGC 69260 · PGC 69279 · PGC 69281 · PGC 69291 · PGC 69346 · Stephan's Quintet

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NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

Powered byPixInsight

NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

How much can you squeeze out of two hours of Bortle 8 data? Well this is your chance to find out!

This picture showcases the latest and greatest tool from PixInsight, Spectrophotometry–Based Color Calibration. SPCC is a wonderful colour calibration tool that takes into account the QE curve (if available) and filter combinations of your data to give a very solid colour palette. Aside from some saturation and minor adjustments, I barely had to touch anything related to colour.

This data is from 2021. Just to show how far along I have come since then, I have included as a revision the 2021 process.

Check it out for yourself: https://pixinsight.com/doc/docs/SPCC/SPCC.html#__SpectrophotometryndashBased_Color_Calibration_Algorithm__

Final
Original
B

B

Description: The original 2021 process.

Uploaded: ...

Astro-Québec
ZWO ASI 2600MC PRO
Canadian Astrophotography
Suburban Astrophotography
ZWO ASIAIR PRO USERS
Cooled Color Cams
IOptron CEM
AstroBin Platform open discussions community forum
Light Polluted skies
Gso 8 RC Telescope Images
Ritchey Chretien telescopes GSO Family
Broadband under Bortle 7/8/9

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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
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Star trails
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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
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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	6631794
PixInsight job	1KBCKF3L5G9EYBEG2CXE2HGCO371MTJG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h36m42s.270
RA (top/left)	22h35m29s.944
RA (top/right)	22h35m37s.222
RA (bottom/right)	22h37m53s.962
RA (bottom/left)	22h37m48s.100

Dec (center)	+34°14′59″.42
Dec (top/left)	+34°36′17″.60
Dec (top/right)	+33°52′44″.57
Dec (bottom/right)	+33°53′38″.32
Dec (bottom/left)	+34°37′11″.34

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NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

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Image Index:

Contribution Index (beta):

NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

NGC 7331 Group + Stephan's Quintet Calibrated with SPCC

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

In these public groups

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