Crescent Nebula (NGC 6888 - Sharpless 105) (Tom Wildoner)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · HD192003 · HD192020 · HD192163 · HD192182 · HD192303 · HD228243 · HD228304 · LBN 203 · NGC 6888 · Sh2-105

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Crescent Nebula (NGC 6888 - Sharpless 105)

Powered byPixInsight

Crescent Nebula (NGC 6888 - Sharpless 105)

This is a re-processed image using several new PixInsight plugins called StarXTerminator and BlurXTerminator.

Here is a view of the Crescent Nebula (NGC 6888, Sharpless 105) located in the constellation Cygnus. The Crescent Nebula is about 5,000 light years away from Earth and was formed by the central star shedding its outer layers. According to NASA, “Burning fuel at a prodigious rate and near the end of its stellar life this star should ultimately go out with a bang in a spectacular supernova explosion”.

Observation data: J2000.0 epoch
Right ascension: 20h 12m 7s
Declination: +38° 21.3′
Distance: 5,000 ly
Apparent magnitude (V): +7.4
Apparent dimensions (V): 18′ × 12′
Constellation: Cygnus

Tech Specs: Sky-Watcher Esprit 120ED Telescope, ZWO AS2600mc-Pro running at 0C, Sky-Watcher EQ6R-Pro mount, Optolong L-eNhance filter (2”), 54 x 300 second exposures, guided using a ZWO 30mm f/4 mini guide scope and ZWO 120 Mini, focus with a ZWO EAF, controlled with a ZWO ASIAir Pro. Processed using PixInsight and DSS. Image Date: May 29, 2022. Location: The Dark Side Observatory, Weatherly, PA, USA (Bortle Class 4).

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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.
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	6803521
PixInsight job	T7PJN58YH22KV7PIVWGO0JMTGL6G60TC
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m10s.781
RA (top/left)	20h10m57s.214
RA (top/right)	20h11m25s.898
RA (bottom/right)	20h13m23s.998
RA (bottom/left)	20h12m55s.891

Dec (center)	+38°20′21″.70
Dec (top/left)	+38°30′03″.35
Dec (top/right)	+38°05′24″.50
Dec (bottom/right)	+38°10′38″.88
Dec (bottom/left)	+38°35′17″.97

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Crescent Nebula (NGC 6888 - Sharpless 105)

Crescent Nebula (NGC 6888 - Sharpless 105)

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Crescent Nebula (NGC 6888 - Sharpless 105)

Crescent Nebula (NGC 6888 - Sharpless 105)

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