NGC7331 (Massimo Ermanni)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7331 · NGC 7333 · NGC 7335 · NGC 7336 · NGC 7337 · NGC 7338 · NGC 7340 · PGC 2051985 · PGC 69281 · PGC 69291

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NGC7331

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NGC7331

NGC 7331 (also known as Caldwell 30) is an unbarred spiral galaxy about 40 million light-years away in the constellation Pegasus.

The galaxy is similar in size and structure to the Milky Way, and is sometimes referred to as "the Milky Way's twin". However, discoveries in the 2000s regarding the structure of the Milky Way may call this similarity into doubt, particularly because the latter is now believed to be a barred spiral, compared to the unbarred status of NGC 7331.

PGC 2051985 is a 16th magnitude elliptical Galaxy appearing in the Pegasus constellation. It is 47 million light years from our solar system.

PGC 69281 is a 15th magnitude Spiral Galaxy appearing in the Pegasus constellation. It is 404 million light years from our solar system.

PGC 69291 is a Galaxy appearing in the Pegasus constellation.

NGC 7336 is a 15th magnitude Spiral Galaxy appearing in the Pegasus constellation. It is 428 million light years from our solar system.

NGC 7333 is a 14th magnitude multiple star appearing in the Pegasus constellation.

NGC 7335 is a 13th magnitude Spiral Galaxy appearing in the Pegasus constellation. It is 307 million light years from our solar system.

NGC 7338 is a 12th magnitude multiple star appearing in the Pegasus constellation.

NGC 7340 is a 14th magnitude elliptical Galaxy appearing in the Pegasus constellation. It is 313 million light years from our solar system.

NGC 7337 is a 15th magnitude spiral Galaxy appearing in the Pegasus constellation. It is 323 million light years from our solar system.

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	1872588
PixInsight job	D0Z364D9CD9FBSCDJAI6CJ5DPFVKN2GQ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h37m04s.991
RA (top/left)	22h36m11s.157
RA (top/right)	22h36m07s.278
RA (bottom/right)	22h37m58s.517
RA (bottom/left)	22h38m03s.175

Dec (center)	+34°25′05″.71
Dec (top/left)	+34°40′48″.43
Dec (top/right)	+34°10′00″.49
Dec (bottom/right)	+34°09′21″.36
Dec (bottom/left)	+34°40′09″.52

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NGC7331

NGC7331

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Image Index:

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NGC7331

NGC7331

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