Cocoon Nebula (Andynowlen@gmail.com)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B168 · Cocoon Nebula · HD206523 · HD206963 · HD207350 · HD207529 · HD207608 · HD207886 · HD208362 · HD208394 · HD208728 · IC 5146 · LBN 424 · LDN 1010 · LDN 1020 · LDN 1024 · LDN 1030 · LDN 1031 · LDN 1035 · LDN 1040 · LDN 1042 · LDN 1045 · LDN 1047 · LDN 1052 · LDN 1055 · Sh2-125 · VdB147

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Cocoon Nebula

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Cocoon Nebula

This image was begun during 3 nights in June 2021. Then the rest of the data was added during 3 nights in August 2021 from my driveway 'observatory.' Astropixel processor was used to do the stacks. After a variety of attempts, I finally had to stack the individual sessions of each scope, combine the June sessions images, combine the August sessions images, then combine those masters in the final scope master. Subsequent to that the Tak master and the Sharpstar master were combined. The final image was well over 1.5 gig file size and was 10188x10157 pixels. The crop removed stacking artifacts and the misaligned camera angles. The stacking process took a good amount of time over 4 days. This cropped image is 8216x4246 pixels.

The image appeals to me because of the star colors and the impression that the nebula has carved its way through the stars and left a trail. That is probably not a scientific explanation but I guess imagination is a great thing!

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	4918729
PixInsight job	K7390ELCZTGY7OEVDGFGPUKZ1AUXSQTG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h48m39s.19
RA (top/left)	21h58m56s.23
RA (top/right)	21h38m50s.77
RA (bottom/right)	21h38m42s.30
RA (bottom/left)	21h58m07s.14

Dec (center)	+47°30′48″.0
Dec (top/left)	+48°16′08″.6
Dec (top/right)	+48°25′34″.9
Dec (bottom/right)	+46°42′11″.9
Dec (bottom/left)	+46°32′56″.6

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Cocoon Nebula

Cocoon Nebula

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Image Index:

Contribution Index (beta):

Cocoon Nebula

Cocoon Nebula

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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