NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies (Fernando)

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

NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies, Fernando

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NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

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NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

Located in Centauri constellation and distante 15,800 light years from Earth, Omega Centauri is the most massive globular cluster known with 4 million Solar masses.

It has been speculated that Omega Centauri is a Dwarf galaxy that was absorbed by our Milk Way. Indeed, Kapteyn's star, which is currently only 13 light years away, is thought to originate from Omega Centauri. Omega Centauri's chemistry and motion in the galaxy is also consistent with this picture.

Needless to say that Omega Centauri is a very peculiar globular cluster, a beauty either to be imaged or visually seen at the telscope.

This image is a stack as follows:

Lum: 15x5min bin1x1

R,G,B: 20x 180min bin 1x1

Telescope:

Skywatcher Esprit 120mm f/7

Camera: ST 8300

Mount: EQ-6 Pro guided

CCD Guider: Lodestar

Transparency was bad with too much thin clouds all over the sky. Seeing was reasonable until the middle of the session, after that it turns out to be too bad (FWHM from 2.1 to 4.5)

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	327786
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

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Image Index:

Contribution Index (beta):

NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

NGC 5139: Globular Cluster Omega Cenatauri - The King of The Skies

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