NGC 7331 & Company + Faint IFN (Kyle Ingersoll)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7331 · NGC 7333 · NGC 7335 · NGC 7336 · NGC 7337 · NGC 7338 · NGC 7340

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NGC 7331 & Company + Faint IFN

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NGC 7331 & Company + Faint IFN

Distance: 39.8 ± 3.3 million light years
Diameter: 120,000 light years
Type: Unbarred Spiral
Location: Pegasus
Discoverer: William Herschel (1784)

NGC 7331 is an oddity when compared to our Milky Way due to the fact that its central bulge rotates the opposite direction of it's spiral arms. The background galaxies close to the main target range from a whopping 294 to 365 million light years distant!

IFN is an acronym for "integrated flux nebula" - it is large faint clouds of dust, hydrogen, carbon monoxide & more that lies on the cusp of/in intergalactic space & is not illuminated by single stars, but by the integrated flux of all the stars in our galaxy. It can be hard to spot but it appears as lighter patches throughout the background of the image.

Image is an L+Ha,R+Ha,G,B combination & consists of 21.5 hours worth of exposures on target as follows;

30 x 10 minutes Luminance
30 x 15 minutes Hydrogen Alpha
18 x 10 minutes Red
18 x 10 minutes Green
18 x 10 minutes Blue
- 20 Darks, Flats, Bias

All data captured at a scale of 0.85"/pixel - binned 1x1, & sensor cooled to a temperature of -13.1°C

(Wiki referenced for some information)

Please note: The following tables are updated every 24 hours.

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
Top pick nominations

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	4936444
PixInsight job	3UJV3PXB9S21WXJD14CM1IO2DNR6VZX6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h37m00s.759
RA (top/left)	22h38m55s.390
RA (top/right)	22h35m07s.565
RA (bottom/right)	22h35m06s.903
RA (bottom/left)	22h38m53s.167

Dec (center)	+34°23′51″.26
Dec (top/left)	+34°41′09″.56
Dec (top/right)	+34°41′34″.56
Dec (bottom/right)	+34°06′26″.56
Dec (bottom/left)	+34°06′02″.33

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NGC 7331 & Company + Faint IFN

NGC 7331 & Company + Faint IFN

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NGC 7331 & Company + Faint IFN

NGC 7331 & Company + Faint IFN

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