The Cocoon Nebula (Jeffrey K Lovelace)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B168 · Cocoon Nebula · IC 5146 · PGC 167524 · PGC 167526 · PGC 167556 · PGC 167561 · PGC 167564 · PGC 167581 · PGC 167582 · PGC 167590 · PGC 167593 · PGC 167597 · PGC 167611 · PGC 167613 · PGC 167614 · PGC 167615 · PGC 167638 · PGC 67511 · PGC 97241 · Sh2-125 · VdB147

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The Cocoon Nebula

Link: https://www.jklovelacephotography.com/pages/space

Powered byPixInsight

The Cocoon Nebula

Link: https://www.jklovelacephotography.com/pages/space

Data Acquisition from 2019-08-23 until 2019-09-02

Original Image Scale: 2.06

DSO Color Mapping: LRGB-Hα

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The Cocoon Nebula (Sh2-125), an active star forming region, is associated with star cluster IC 5146 (a.k.a. Collinder 470). The dark nebula Barnard 168 surrounds the Cocoon, and extends to the bottom of the frame. B168 is also called "The Dark Cigar" with the Cocoon as its lit tip. The Lynds Catalog of Dark Nebulae (LDN) breaks down B168 into several component LDNs: 1030, 1031, 1031B, 1031C, 1035, 1040, 1042, 1045, 1047, 1052. The Hα background appears to be just an unnamed ionized area of the interstellar medium.

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	3918682
PixInsight job	YFQMZCIHOLQS3IT1YUDJZG0X2CFNSIX0
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h50m33s.41
RA (top/left)	21h57m12s.26
RA (top/right)	21h56m55s.14
RA (bottom/right)	21h43m37s.90
RA (bottom/left)	21h44m27s.35

Dec (center)	+47°22′53″.4
Dec (top/left)	+46°18′51″.9
Dec (top/right)	+48°31′25″.3
Dec (bottom/right)	+48°25′31″.0
Dec (bottom/left)	+46°13′27″.3

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The Cocoon Nebula

The Cocoon Nebula

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The Cocoon Nebula

The Cocoon Nebula

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