IC5146 Cocoon (Konstantin Firsov)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B168 · Cocoon Nebula · HD206523 · HD206963 · HD207031 · HD207350 · HD207529 · HD207608 · HD207662 · HD207886 · HD207991 · HD208362 · HD208394 · HD208727 · HD208728 · IC 5146 · LBN 424 · 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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IC5146 Cocoon

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IC5146 Cocoon

This is a two-pane mosaic.
Started imaging this object in 2017 - under almost red sky at my backyard. Initially the imaging setup included Canon 60Da with 80 f/6 refractor. For some reasons I did not process the data at that time.
Very soon my expectations had grown dramatically and I decided to add some more light with my new toy: SHARPSTAR 15028 fast Newtonian. This time all imaging was made at my dark site 1,5 hours of driving. And it suddenly appeared that 30(!) hours of my old data make a very little contribution to the overall SNR. Instead my old data adds a lot of work to fight gradients. Just threw it all away

Please enjoy my Opus Magnum 2017 -2021

Actually I can't understand how one can be making "fine art" while all this disaster is going on. On the other hand, this is a good way to keep your mind.

Peace and clear skies for everybody

Fine Art Astrophotography
The OSC Club (One Shot Camera)

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	8042659
PixInsight job	C91P12DTLVO75TXR20C69AM77G9PPAY9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h49m14s.36
RA (top/left)	21h58m21s.14
RA (top/right)	21h39m42s.76
RA (bottom/right)	21h40m34s.21
RA (bottom/left)	21h58m22s.23

Dec (center)	+47°30′02″.9
Dec (top/left)	+48°43′33″.8
Dec (top/right)	+48°37′40″.7
Dec (bottom/right)	+46°13′55″.1
Dec (bottom/left)	+46°19′30″.7

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Contribution Index (beta):

IC5146 Cocoon

IC5146 Cocoon

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Image Index:

Contribution Index (beta):

IC5146 Cocoon

IC5146 Cocoon

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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