NGC 45 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Cetus (Cet) · Contains: NGC 45

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NGC 45

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NGC 45

This object is a rarely imaged very faint low surface brightness galaxy located 30 million light years away in the constellation of Cetus at a declination of -23 degrees. The galaxy spans 9 arc-minutes in our apparent view, which corresponds to a diameter of 80,000 light years.

Low surface brightness (LSB) galaxies emit much less light per area than normal galaxies. Their luminosities are only a few percent higher than the sky background. Although relatively few have been identified because they are hard to detect, it is believed that LSB galaxies may account for up to one-half of all galaxies. LSB galaxies come in wide range of sizes, but the common aspect to these galaxies is that they are all extremely blue and extremely faint.

This galaxy has an interesting look, with little structure, a faint core area, and numerous blue star clusters. The galaxy is semi-transparent, with at least 4 background galaxies visible through its disk.

ZWO ASI183/QHY183
The refractors!
Cloudy Nights
Takahashi Refractors

LSB (Low Surface Brightness) 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	2928149
PixInsight job	3EDA83W7UXIXEY3YINV0SRNZLNHCZRL9
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h14m03s.490
RA (top/left)	00h12m39s.162
RA (top/right)	00h15m24s.470
RA (bottom/right)	00h15m27s.562
RA (bottom/left)	00h12m42s.775

Dec (center)	-23°10′50″.75
Dec (top/left)	-23°22′56″.55
Dec (top/right)	-23°24′04″.29
Dec (bottom/right)	-22°58′42″.24
Dec (bottom/left)	-22°57′34″.77

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NGC 45

NGC 45

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NGC 45

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