The Crescent Nebula (jrtb)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · HD192003 · HD192020 · HD192163 · HD192182 · HD192303 · HD192361 · LBN 203 · NGC 6888 · Sh2-105

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The Crescent Nebula

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The Crescent Nebula

The Crescent Nebula, also known as NGC 6888, is a stunning emission nebula located about 5,000 light-years away in the constellation Cygnus.Stellar Wind Show: The Crescent Nebula was formed by powerful stellar winds from a Wolf-Rayet star (one of the most massive and hottest star types) colliding with the star's previously ejected outer layers. It's like watching a cosmic fireworks show that's been ongoing for thousands of years.

Galactic Transformation: The star responsible for the Crescent Nebula will eventually run out of fuel and explode as a supernova. So, in a sense, what we're seeing is a prelude to an even grander cosmic event in the distant future.

Ageing Star Drama: The Wolf-Rayet star at the heart of the nebula is in a rapid stage of evolution. It's shedding its mass at an incredible rate, creating the stunning shell of gas and dust we see as the Crescent Nebula. It's like a cosmic version of shedding one's past and moving forward.

Over 10 hours of data across 5 nights. 210 3 minute exposures. Some of the clearest nights, best seeing and tracking I've been able to get with my RC6.

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	Advanced success
Started	...
Astrometry.net job	8278408
PixInsight job	WLZ5CIBIR2E76O5G0HWBXDIQJP04ZE5Y
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m00s.870
RA (top/left)	20h10m50s.284
RA (top/right)	20h10m49s.201
RA (bottom/right)	20h13m10s.953
RA (bottom/left)	20h13m13s.180

Dec (center)	+38°20′34″.61
Dec (top/left)	+38°34′40″.21
Dec (top/right)	+38°06′46″.40
Dec (bottom/right)	+38°06′27″.68
Dec (bottom/left)	+38°34′21″.75

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Contribution Index (beta):

The Crescent Nebula

The Crescent Nebula

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Image Index:

Contribution Index (beta):

The Crescent Nebula

The Crescent Nebula

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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