NGC 488 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: NGC 486 · NGC 488 · NGC 490 · NGC 492

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NGC 488

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NGC 488

This object is an unusually structured face-on spiral galaxy located 100 million miles away in the constellation of Pisces at a declination of +15 degrees. Its apparent size to us of 6 arc-minutes corresponds to a very large diameter of 160,000 light years.

The subtle structure of this galaxy is fascinating to me. This galaxy has a yellow core and transitions to purplish/bluish in the mid to outer region, indicating star formation is still ongoing. Most interesting is the arm structure. Although difficult to see, and splitting in several places, the primary structure looks like an inner ring with one single arm which continually spirals outward for at least 4 complete revolutions! The structure is similar to what I have imaged in a few other galaxies, such as NGC 7217 and NGC 2841.

ZWO ASI183/QHY183
Cloudy Nights
Takahashi Refractors

Flocculent Galaxies
Galaxy - Concentric Rings
Secret Deep Catalog (Complete)

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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
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	2905072
PixInsight job	1DI4HTZR9ND7BG8L2JQ9Q0S51AVBGTAL
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h21m44s.656
RA (top/left)	01h22m11s.550
RA (top/right)	01h22m28s.789
RA (bottom/right)	01h21m17s.636
RA (bottom/left)	01h21m00s.545

Dec (center)	+05°15′34″.52
Dec (top/left)	+04°59′23″.34
Dec (top/right)	+05°29′14″.94
Dec (bottom/right)	+05°31′46″.92
Dec (bottom/left)	+05°01′54″.60

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NGC 488

NGC 488

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NGC 488

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