Omega Centauri (Paul Ricker)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: NGC 5139 · Omega Centauri · PGC 3082227 · PGC 47003 · PGC 47092 · PGC 47306 · PGC 491040 · PGC 491654 · PGC 507719 · PGC 511492 · PGC 512723 · omega Cen

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Omega Centauri

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Omega Centauri

Omega Centauri, the largest globular cluster in orbit about the Milky Way, has a mass of about 4 million solar masses and a radius of about 26 pc, and it is about 4.8 kpc away. It's visible to the naked eye in a sufficiently dark location. Because of the spread of metallicities and ages of its stars, it's possible that Omega Centauri is actually the tidally disrupted core of a dwarf galaxy rather than a true globular cluster. I was surprised to be able to image this object only a few degrees above the horizon from southwestern New Mexico.

Image produced from exposures taken at the Casitas de Gila guest houses in SW New Mexico.

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Description: Further processing to tame the color, starting from 1x1 binned stacks.

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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	5407847
PixInsight job	YIVWOM72ZIQWP5RKYJJOSSXG32OMRA61
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h26m48s.99
RA (top/left)	13h31m34s.42
RA (top/right)	13h27m47s.25
RA (bottom/right)	13h22m09s.45
RA (bottom/left)	13h25m48s.88

Dec (center)	-47°30′02″.7
Dec (top/left)	-48°01′06″.1
Dec (top/right)	-46°33′41″.5
Dec (bottom/right)	-46°58′20″.8
Dec (bottom/left)	-48°26′25″.10

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Omega Centauri

Omega Centauri

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Omega Centauri

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