NGC2997

Celestial hemisphere: Southern · Constellation: Antlia (Ant) · Contains: HD84431 · HD84476 · HD84504 · HD84752 · HD84753 · HD84823 · HD84824 · NGC 2997

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NGC2997

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NGC2997

NGC 2997 is a very nice magnitude 10.0 spiral galaxy reminiscent of M 83, but with a disk that is inclined 45 degrees to our line of sight. Its small nucleus and sprawling spiral arms give it a type "Sc" designation. Its spiral arms are peppered with bright red blobs of ionized hydrogen, where the bright blue stars are born that generate most of the galaxy's light. The nucleus shows interesting structure and contains an older population of yellowish stars.
NGC 2997 is about 25 million light-years away, and is speeding away from us at about 1100 kilometers per second. It is the brightest galaxy of the NGC 2997 group of galaxies. NGC 2997 is thought to have a mass of about 100 billion times that of our Sun, but is probably less massive than our own Milky Way Galaxy. NGC 2997 is particularly notable for a nucleus surrounded by a chain of hot giant clouds of ionized hydrogen.

This is a RGB image.

Imaged from my backyard.

ASIAIR, AZEQ6, Sharpstar SCA260, ASI2600MM, Antlia RGB filters.

Processed in Pixinsight

Cloudy Nights
Southern Hemisphere Astro

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	7267929
PixInsight job	6X7SAX19GJVZJLJI46X274HMB7PDZL3X
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h45m40s.101
RA (top/left)	09h44m02s.564
RA (top/right)	09h44m07s.467
RA (bottom/right)	09h47m18s.360
RA (bottom/left)	09h47m11s.814

Dec (center)	-31°11′22″.97
Dec (top/left)	-30°50′24″.10
Dec (top/right)	-31°33′23″.99
Dec (bottom/right)	-31°32′14″.93
Dec (bottom/left)	-30°49′19″.79

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NGC2997

NGC2997

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NGC2997

NGC2997

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