Ghost Nebula (SH2-136) (DoubleStarPhotography)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 495 · LDN 1177 · Sh2-136 · VdB141

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Ghost Nebula (SH2-136)

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Ghost Nebula (SH2-136)

The Ghost Nebula in the constellation of Cepheus is a reflection nebula located approximately 1,470 light-years away from Earth. The nebula spans more than 2 light-years and is illuminated by several nearby stars.

The nebula’s dust and gas form eerie-looking figures that resemble ghosts earning it it's nickname. These clouds contain several young stars whose light makes the nebula glow in reddish-brown tones. The nebula’s clouds of dust and gas give the appearance of having shapes that resemble human figures with their arms raised on the left side of the nebula.

The nebula lies at the edge of the Cepheus Flare molecular cloud complex (and area spanning seven times the size of the full moon), and is part of a much larger nebulous region in Cepheus. The Cepheus Flare is a large star-forming region that also encompasses the nearby Iris Nebula (NGC 7023).

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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
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
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Distribution of data sources

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	8344069
PixInsight job	92JW3VIWMBL0QA511LOJDBCTA30F6V4P
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h16m33s.700
RA (top/left)	21h12m59s.999
RA (top/right)	21h20m02s.540
RA (bottom/right)	21h20m12s.453
RA (bottom/left)	21h12m57s.747

Dec (center)	+68°15′28″.72
Dec (top/left)	+67°55′40″.82
Dec (top/right)	+67°55′17″.81
Dec (bottom/right)	+68°34′59″.15
Dec (bottom/left)	+68°35′23″.24

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Ghost Nebula (SH2-136)

Ghost Nebula (SH2-136)

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Ghost Nebula (SH2-136)

Ghost Nebula (SH2-136)

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