Corona Australis Nebula (Uri Abraham)

Celestial hemisphere: Southern · Constellation: Corona Australis (CrA) · Contains: Corona Australis · IC 4812 · NGC 6723 · NGC 6726 · NGC 6727 · NGC 6729 · Part of the constellation Corona Austrina (CrA) · The star γCrA · The star εCrA · eps CrA · gam CrA

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Corona Australis Nebula

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Corona Australis Nebula

Corona Australis Nebula

Corona Australis Nebula is a bright reflection nebula, about 420 light years distant, formed by several bright stars which produce a characteristic color as blue light reflected by the cosmic dark cloud of dust. The cloud is a star-forming region with clusters of young stars embedded within it.

The nebula consists of several nebulous regions, NGC 6726/NGC 6727, and NGC 6729.

NGC 6723 is a globular star cluster located some 29,000 light-years away from Earth, and spans about 65 light-years in size.

Revision B: Complete reprocess with Photoshop Lab color

I was enthusiastic to test how lab mode will improve this image after learning about this mode and how to use it from a good friend. In this revision stars are less saturated and smaller and their colors are much better all over the image. I also think the dust color is more correct.

I would like your comments about the 2 different results.

Original
Final
B

B

Description: Reprocess with Lab color mode

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Astronomical Society of Victoria (ASV)

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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.
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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	3652209
PixInsight job	GZBNV19X4BGGCFNYDL5NC72BL0G7AJ7Z
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	19h01m42s.70
RA (top/left)	19h06m52s.61
RA (top/right)	18h56m47s.78
RA (bottom/right)	18h56m24s.35
RA (bottom/left)	19h06m47s.31

Dec (center)	-37°11′31″.7
Dec (top/left)	-36°04′03″.0
Dec (top/right)	-36°01′23″.3
Dec (bottom/right)	-38°18′04″.3
Dec (bottom/left)	-38°20′42″.7

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Corona Australis Nebula

Corona Australis Nebula

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Corona Australis Nebula

Corona Australis Nebula

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