IC 10

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 10

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IC 10

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IC 10

This object is a dwarf irregular galaxy located only 2 million light years away in the constellation of Cassiopeia. It is about 5000 light years in diameter. Because this object lies near the plane of the Milky Way, it is heavily obscured by interstellar matter.

This object is special because it is the only known starburst galaxy in our Local Group of galaxies, as seen in the many pink HII regions in the image. The galaxy is enveloped by hydrogen gas which appears to rotate in the opposite direction to the visual part of the galaxy.

Some sources report that, because of its proximity, it is possible to image some of the individual brightest stars in the galaxy. It is rare to be able to image individual stars outside of our galaxy. It is not clear to me in my image whether the faint points of light within the galaxy are individual stars or star clusters.

A number of dark dust lanes and patches can be seen in the galaxy image.

The refractors!
Cloudy Nights
ZWO ASI1600MM/QHY163M

Dwarf Galaxies
LSB (Low Surface Brightness) Galaxies
Starburst Galaxies

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	2314079
PixInsight job	PJ83TSLG6VBKW9QN9QCS91U7M3QB4MZ2
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h20m15s.516
RA (top/left)	00h22m28s.763
RA (top/right)	00h19m53s.571
RA (bottom/right)	00h18m02s.167
RA (bottom/left)	00h20m37s.860

Dec (center)	+59°18′15″.65
Dec (top/left)	+59°17′07″.12
Dec (top/right)	+59°35′04″.62
Dec (bottom/right)	+59°19′15″.25
Dec (bottom/left)	+59°01′25″.85

Image Index:

Contribution Index (beta):

IC 10

IC 10

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Image Index:

Contribution Index (beta):

IC 10

IC 10

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In these public groups

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