Crescent Nebula (NGC6888) (DoubleStarPhotography)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · LBN 203 · NGC 6888 · Sh2-105

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Crescent Nebula (NGC6888)

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Crescent Nebula (NGC6888)

The Crescent Nebula (NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula that lies 5000 light-years from Earth in a crowded region of the Cygnus Milky Way. The nebula arises from the bright star near the center of the image, which is the Wolf-Rayet star WR 136 (HD192163).

Wolf-Rayet stars have quickly become my favorite type of star, carving incredible shapes and structures in the interstellar gas and dust surrounding them as seen here, and in objects like Thor's Helmet, the Sprinkler Nebula, the Dolphin Head Nebula, and others.

*This is the second of two images taken concurrently the same night with one rig at two different focal lengths.

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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
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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
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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
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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	7882239
PixInsight job	T5AQE0QBSH3Q1XXXRWWXD5Z1X44PQGRG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m07s.161
RA (top/left)	20h10m20s.869
RA (top/right)	20h10m31s.870
RA (bottom/right)	20h13m52s.688
RA (bottom/left)	20h13m44s.220

Dec (center)	+38°21′10″.28
Dec (top/left)	+38°40′03″.86
Dec (top/right)	+38°00′23″.49
Dec (bottom/right)	+38°02′10″.68
Dec (bottom/left)	+38°41′52″.19

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Crescent Nebula (NGC6888)

Crescent Nebula (NGC6888)

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Image Index:

Contribution Index (beta):

Crescent Nebula (NGC6888)

Crescent Nebula (NGC6888)

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