IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity (Chris.Ma)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B168 · Cocoon Nebula · HD206212 · HD206523 · HD206963 · HD207031 · HD207350 · HD207529 · HD207608 · HD207662 · HD207886 · HD207991 · HD208362 · HD208394 · 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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IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

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IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

Voici IC5146, la nébuleuse du cocon, située à 4000 années-lumières dans la constellation du Cygne. C'est une image LHa-RHaVB prise aux mois d'août et d'octobre cette année.

Avec ce cadrage, j'ai essayé de capturer un maximum de poussières obscures entourant cette nébuleuse, même s'ils restent cachées par un champ d'étoiles très dense. ImageSolver (Pixinsight) a compté 148000 étoiles dans cette image !

Mais une fois les étoiles retirées, je fus surpris par la beauté et l'étendue de ces structures poussiéreuses. La principale difficulté du traitement fut donc de les mettre en valeur sans trop réduire les étoiles pour garder un aspect naturel à l'image.

J'espère que cette version vous plaira.

Here's IC 5146, the Cocoon Nebula, located at 4000 light-years in the constellation Cygnus. This is an LHa-RHaGB picture taken in August and October.

This framing is used to present a maximum of dark dust area around this nebula, even if they are hidden by a very dense star field. ImageSolver (Pixinsight) counted 148000 stars in this photo !

Once the stars removed, I was surprised by the extent and beauty of these dusty structures. Thus, the main difficulty of the treatment was to highlight them without reducing the stars too much to keep a natural aspect to the image.

I hope you like this version.

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
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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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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	8939809
PixInsight job	7CMZKHB2OHHKAWHRNC2CKRNOAC6QIZ0G
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h46m19s.00
RA (top/left)	21h53m15s.88
RA (top/right)	21h34m42s.11
RA (bottom/right)	21h39m47s.57
RA (bottom/left)	21h57m45s.70

Dec (center)	+47°24′29″.4
Dec (top/left)	+49°02′09″.2
Dec (top/right)	+47°47′37″.7
Dec (bottom/right)	+45°45′22″.7
Dec (bottom/left)	+46°57′04″.9

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IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

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IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

IC 5146 - Une fleur dans l'immensité rouge / A flower in the red immensity

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