IC5146: Cocoon Nebula widefield (FlapAstro)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 81 pi.02 Cyg · B168 · Cocoon Nebula · IC 5146 · LBN 424 · LDN 1020 · LDN 1024 · LDN 1030 · LDN 1031 · LDN 1035 · LDN 1040 · LDN 1042 · LDN 1045 · LDN 1046 · LDN 1047 · LDN 1052 · LDN 1055 · LDN 1057 · LDN 1066 · NGC 7150 · PK095-02.1 · Sh2-125 · The star π2Cyg · VdB145 · VdB147

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IC5146: Cocoon Nebula widefield

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IC5146: Cocoon Nebula widefield

A rose in an ocean of stars…

The beautiful Cocoon nebula (IC5146) is nearly 15 light-years wide, located some 3,300 light years away toward the constellation of the Swan (Cygnus). Like other star forming regions, it stands out in red, glowing, hydrogen gas excited by young, hot stars.

The image is composed of 24x300s subs taken through a WO Redcat 51 with an Optolong L-Enhance narrowband filter and a modified Nikon D7200.

Duo-band, Tri-band, and Quad-band Imaging
Imagers of Switzerland
The OSC Club (One Shot Camera)
Nikon Imagers
CMOS Imagers
WO Redcat 51 Group

Narrowband

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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 picks
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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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Star trails
Northern lights
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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
Backyard
Traveller
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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	5385644
PixInsight job	8F5LWF4WGIU1QL4SZ0ACD0411E6BJJWW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h52m17s.30
RA (top/left)	21h41m17s.33
RA (top/right)	21h41m45s.63
RA (bottom/right)	22h02m10s.15
RA (bottom/left)	22h03m58s.19

Dec (center)	+48°06′37″.0
Dec (top/left)	+50°48′06″.5
Dec (top/right)	+45°25′20″.4
Dec (bottom/right)	+45°21′14″.6
Dec (bottom/left)	+50°43′39″.8

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IC5146: Cocoon Nebula widefield

IC5146: Cocoon Nebula widefield

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IC5146: Cocoon Nebula widefield

IC5146: Cocoon Nebula widefield

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