IC 4628 Prawn Nebula (carlosastrobin)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: HD152291 · HD152353 · HD152405 · HD152406 · HD152436 · HD152559 · HD152590 · HD152591 · HD152622 · HD152623 · HD152667 · HD152723 · HD152871 · HD152886 · HD152902 · HD152963 · HD153087 · HD153088 · HD153104 · HD153220 · HD322253 · HD322254 · HD322267 · HD322270 · HD322272 · HD322273 · HD322275 · HD322276 · HD322277 · HD322280 · And 39 more.

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IC 4628 Prawn Nebula

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IC 4628 Prawn Nebula

South of Antares, in the tail of the nebula-rich constellation Scorpius, lies emission nebula IC 4628. Nearby hot, massive stars, millions of years young, irradiate the nebula with invisible ultraviolet light, stripping electrons from atoms. The electrons eventually recombine with the atoms to produce the visible nebular glow, dominated by the red emission of hydrogen. At an estimated distance of 6,000 light-years, the region shown is about 250 light-years across, spanning over three full moons on the sky. The nebula is also cataloged as Gum 56 for Australian astronomer Colin Stanley Gum, but seafood-loving astronomers might know this cosmic cloud as the Prawn Nebula

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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	Advanced success
Started	...
Astrometry.net job	8874257
PixInsight job	I6ZZ2DL8GTG1DMX1ZAQYRYC2XEUOSV47
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h57m08s.937
RA (top/left)	16h54m30s.491
RA (top/right)	17h00m16s.680
RA (bottom/right)	16h59m45s.101
RA (bottom/left)	16h54m02s.705

Dec (center)	-40°27′12″.27
Dec (top/left)	-40°53′46″.96
Dec (top/right)	-40°45′31″.89
Dec (bottom/right)	-40°00′25″.43
Dec (bottom/left)	-40°08′33″.91

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IC 4628 Prawn Nebula

IC 4628 Prawn Nebula

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IC 4628 Prawn Nebula

IC 4628 Prawn Nebula

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