Omega Centauri (Sean Liang)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: NGC 5139 · Omega Centauri

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Omega Centauri

Link: https://www.onebackpacker.com/behind-the-lens/omega-centauri

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Omega Centauri

Link: https://www.onebackpacker.com/behind-the-lens/omega-centauri

Omega Centauri is an awe-striking deepsky object. It is the largest known globular cluster in the Milky Way with a diameter of roughly 150 light-years. In the cities, it appears to be a dim unassuming point of light; but in a dark rural area, its true nature begins to emerge - a gigantic globe almost as large as the full moon!

The cluster had about 10 million stars bound together by mutual gravity. The light they emit travelled 17,090 years in space to reach us.

Long ago, Omega Centauri used to be a small galaxy. It ran into a bigger galaxy and most of its parts got eaten (Astronomers call it ‘Galactic Cannibalism’). The remaining of that small galaxy became the globular cluster known as Omega Centauri.Wondering which galaxy committed the terrible crime? Well, that was our own Milky Way Galaxy! Our galaxy robbed many stars from that small galaxy, and many of those stars became our close neighbours. You’ve probably seen one without realising it.

(The data was acquired from Telescopelive, which I processed using pixinsight and photoshop).

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	Basic success
Started	...
Astrometry.net job	5871190
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Omega Centauri

Omega Centauri

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Omega Centauri

Omega Centauri

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