Omega Centauri - NGC5139 (Engelbert Vollmer)

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

Omega Centauri - NGC5139, Engelbert Vollmer

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Omega Centauri - NGC5139

Link: https://www.sternwarte-meckesheim.de/astrofotografie/deepsky-fotografie/der-riesensternhaufen-omega-centauri/

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Omega Centauri - NGC5139

Link: https://www.sternwarte-meckesheim.de/astrofotografie/deepsky-fotografie/der-riesensternhaufen-omega-centauri/

For most observers, Omega Centauri is the most beautiful globular cluster of all. Around 10 million stars that, by cosmic standards, are crowded together in a diameter of only around 150 light years. But it is not only its size that distinguishes it from other globular clusters. It has different populations of stars that formed at different times. It could even be that Omega Centauri is something other than a globular cluster. Perhaps a remaining core of a small galaxy that was absorbed by our Milky Way a long time ago. Omega Centauri is the most luminous globular cluster with a magnitude of +3.9 and is visible to the naked eye at a distance of about 16,000 light years. It looks like a faint, fuzzy star, but its size and luminosity are impressive in any telescope. However, it is located far to the south of the celestial dome and is only visible south of 40 degrees north latitude.

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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
Artificial satellite

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.

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Omega Centauri - NGC5139

Omega Centauri - NGC5139

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Omega Centauri - NGC5139

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