Omega Centauri (Michael Watson)

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

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Omega Centauri

Link: https://www.flickr.com/photos/97587627@N06/15934447181/in/set-72157647335374894/

Photographed on the Tropic of Capricorn near Emerald, Queensland, Australia

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The capability of the Sky-Watcher Star Adventurer tracking mount is demonstrated in this image of the brightest of all of the globular clusters in the sky, Omega Centauri. Northern hemisphere astronomers long for an opportunity to travel to the equator or further south to see this grand object to advantage.

Although it can be seen with the unaided eye and was recorded by Ptolemy in his 2nd-century Almagest - 15 centuries before the invention of the telescope - this object was re-discovered as a non-stellar object by Edmund Halley in 1677.

To me it is, frankly, quite stunning that this little tracking mount is capable of supporting such a heavy lens and camera body and producing what I think is quite an acceptable result, with sharp star images across the frame.

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Nikkor 80-400 mm lens on Nikon D810 camera body, mounted on Sky-Watcher Star Adventurer tracking mount.

400 mm focal length; ISO 2500; 30-second exposure at f/8.

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	487298
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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