47 Tucanae (NGC 104) (Sean Liang)

Celestial hemisphere: Southern · Constellation: Tucana (Tuc) · Contains: 47 Tuc Cluster · NGC 104

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47 Tucanae (NGC 104)

Link: https://www.onebackpacker.com/behind-the-lens/globular-cluster-47-tucanae-diamonds-in-the-sky

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47 Tucanae (NGC 104)

Link: https://www.onebackpacker.com/behind-the-lens/globular-cluster-47-tucanae-diamonds-in-the-sky

47 Tucanae (NGC 104) is a globular cluster located in the constellation Tucana. It is the second brightest globular cluster after Omega Centauri and is a must-see in the southern sky.

This object was discovered by Nicolas-Louis de Lacaille, one of the pioneering astronomers who dared to measure the scale of the solar system. In an expedition to the Cape of Good Hope in 1750, he accidentally discovered this object when observing the stars. At first, he thought it was the bright core of a comet; but when he raised his telescope to the target, he saw ten thousand stars bound together in a cluster, shining like diamonds in the sky!

Modern science revealed that there are up to a million stars in this cluster, all born from the same gas cloud some 10 billion years ago. To quote another great astronomer Christian Huygens: " What a wonderful and amazing scheme have we here of the magnificent vastness of the Universe! So many Suns, so many Worlds! " (ca. 1670).

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

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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	Basic success
Started	...
Astrometry.net job	6630430
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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47 Tucanae (NGC 104)

47 Tucanae (NGC 104)

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47 Tucanae (NGC 104)

47 Tucanae (NGC 104)

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