NGC6888 - The Crescent Nebula widefield (Paresh Kokate)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 34 Cyg) · Crescent Nebula · IC 4996 · NGC 6888 · Permanent nova (P Cyg · The star Revenant of the Swan

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NGC6888 - The Crescent Nebula widefield

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NGC6888 - The Crescent Nebula widefield

Found in the nebula rich constellation Cygnus, NGC 6888 is about 5,000 light-years away. NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star. NGC 6888’s central star is classified as a Wolf-Rayet star (WR 136).

The Wolf-Rayet star at the center of the Crescent Nebula, designated WR 136 (also known as HD 192163), has a surface temperature of nearly 100,000 degrees Fahrenheit (54,800 degrees Celsius). That’s nearly 10 times hotter than our Sun.The nebula’s complex structures are likely the result of this strong wind interacting with material ejected in an earlier phase.

To the right side of the Crescent Nebula one can see faint Soap Bubble Nebula (also known as PN G075.5+01.7) which is a planetary nebula. The nebula derives its name from its symmetrical spherical shape which resembles a soap bubble.

Used dynamic combination for integrating SHO data.
Bin 2 mode used at 120 gain 0 C
30 flats for each filter / session
30 darks, darkflats
For stars SetiAstro script for NB to RGB star combination script used.

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	10064614
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC6888 - The Crescent Nebula widefield

NGC6888 - The Crescent Nebula widefield

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Image Index:

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NGC6888 - The Crescent Nebula widefield

NGC6888 - The Crescent Nebula widefield

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