47 Tucanae (AstroFckups)

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

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47 Tucanae

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47 Tucanae

A globular cluster of stars approximately 16000 light years from earth, and containing anywhere between ~500,000 to a million stars depending on your source of information. Like other globular clusters, the lack of heavier elements means that astronomers haven't been able to identify planets orbiting it's stars, and there is no active star forming going on in 47 tucanae. Globular clusters contain very very old stars so they are like the aged care facilities of the universe, and exist outside the edge of the Milky Way and other galaxies.

Astrofckup: next time I will reduce the exposure time but take more exposures so that the core isn't blown out so much. I recently learned about dithering ("Dither or die!" ) and it's the first image with my dedicated astro camera that hasn't had walking noise, dithering definitely works! Also my first image with a much longer focal length so I did plate solving polar alignment three times to get it as accurate as possible.

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	5077487
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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47 Tucanae

47 Tucanae

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Image Index:

Contribution Index (beta):

47 Tucanae

47 Tucanae

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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