NGC 6712 (Darius Kopriva)

Celestial hemisphere: Southern · Constellation: Scutum (Sct) · Contains: HD174738 · HD174770 · HD174817 · HD174918 · HD174971 · HD175040 · NGC 6712

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NGC 6712

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NGC 6712

This image was taken with Pier 1 from Roboscopes.

NGC 6712 is a globular cluster that was probably discovered by Le Gentil on July 9, 1749 when investigating the Milky Way star cloud in Aquila. He described it as a "true nebula," in contrast to the open star cluster M11. Independently discovered by William Herschel on June 16, 1784 and cataloged as H I.47; he also first classified it as a round nebula. John Herschel was the first to describe it as a globular star cluster during his observations in the 1830s. The cluster appears to be about 12 billion years old and may have originally have been significantly more massive having undergone significant mass loss due to passes through the galactic disc. For a globular cluster, NGC 6712 is somewhat metal-rich.

NGC 6712 is home to a "black widow" pulsar named PSR J1853−0842A. Such systems involve an extremely rapidly rotating pulsar, accompanied by a low-mass star or brown dwarf. The high amounts of radiation emitted from the pulsar contributes to the evaporation of the low-mass companion, which has a mass between 0.018 and 0.036 solar masses. Although pulsars rotate more slowly with age, PSR J1853−0842A is accelerating, which would not be possible without it being within a globular cluster.

Southern Hemisphere Astro

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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	Advanced success
Started	...
Astrometry.net job	5914354
PixInsight job	409CJJDZIN7AZQJH0VGBCMKAFMXTS0UO
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h53m03s.508
RA (top/left)	18h53m59s.999
RA (top/right)	18h53m58s.595
RA (bottom/right)	18h52m07s.191
RA (bottom/left)	18h52m08s.254

Dec (center)	-08°41′56″.22
Dec (top/left)	-08°59′54″.18
Dec (top/right)	-08°23′42″.00
Dec (bottom/right)	-08°23′56″.84
Dec (bottom/left)	-09°00′06″.48

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NGC 6712

NGC 6712

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NGC 6712

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