mosaique sur les dentelles du cygne version HOO (Matthieu TEQUI)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 52 Cyg · BW Vul · IC 1340 · LBN 191 · LDN 868 · NGC 6960 · NGC 6974 · NGC 6979 · NGC 6992 · NGC 6995 · Sh2-103 · The star 52Cyg · Veil Nebula

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mosaique sur les dentelles du cygne version HOO

Powered byPixInsight

mosaique sur les dentelles du cygne version HOO

mosaïque de 2 panneaux

H->2x110x300sec
OIII->2x110x300sec

Que dire de plus sur les célèbres dentelles du cygne!
Ce rémanent de supernova se situe dans la constellation du même nom. C'est un objet très vaste de 230x160 minute d'arc. Il est composé de la grande dentelle appelé aussi ngc6992 et ngc 6995 à l'est, de la petite dentelle (contenant entre autre ngc6960) à l'ouest et du triangle de pickering au centre.

L'acquisition s'est faite sur 6 nuits pour un total d'environ 40h.
Les 2 panneaux obtenus ont été mixé ensemble avec APP (astropixelprocessor) avec une facilité déconcertante! Une fois la mosaïque assemblée, le traitement a été fait avec pixinsight dont le but était de ne pas détruire l'image.
2 mixages ont donc été réalisés (ou plutôt retenu):
-une version naturelle avec des tons jaune orangé au niveau du Ha et un bleu légèrement cyan. je me suis servi de cette version pour colorer le étoiles des autres versions.
-une version HOO "pure" rouge et bleue.

Original
Final
B

B

Description: full100%+fdc+bruit

Uploaded: ...

Astrophotographes (France)

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	Distinct awarded users	Total awarded images
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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	4975076
PixInsight job	KBQO9G3ODA4MGF8PSOW4ISSYTGXL5PNX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h51m04s.26
RA (top/left)	20h59m05s.41
RA (top/right)	20h44m19s.87
RA (bottom/right)	20h43m21s.87
RA (bottom/left)	20h57m31s.53

Dec (center)	+30°28′18″.5
Dec (top/left)	+32°19′49″.1
Dec (top/right)	+32°32′56″.10
Dec (bottom/right)	+28°34′59″.9
Dec (bottom/left)	+28°22′28″.1

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mosaique sur les dentelles du cygne version HOO

mosaique sur les dentelles du cygne version HOO

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mosaique sur les dentelles du cygne version HOO

mosaique sur les dentelles du cygne version HOO

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Acquisition details

Description

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Sky plot

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In these public groups

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