Filamentary nebula (Bernard DELATTRE)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 52 Cyg · Filamentary nebula · Lace-work nebula · NGC 6960 · The star 52Cyg · Veil nebula

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Filamentary nebula

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Filamentary nebula

L=HA red=(Ha,R) green=(O,Ha,G) blue=(O,B)

Les Dentelles du Cygne forment un rémanent de supernova dont l'explosion remonterait à une dizaine de milliers d'années. Elles se situent dans la constellation du Cygne. , qui est quelquefois également appelé boucle du Cygne.

Cet objet est très vaste et très morcelé, notamment dans le domaine visible.

La Petite Dentelle se situe à l'opposé de la grande, à 2,5° au sud-ouest de cette dernière. Elle présente la particularité d'effleurer visuellement une étoile visible à l'œil nu (magnitude 4,2), 52 Cygni, ce qui rend le pointage aisé pour l'astronome amateur. Au nord de cette étoile, la Petite Dentelle est constituée d'un filament comprenant deux brins principaux, s'étendant sur quasiment un demi-degré pour une largeur ne dépassant pas quatre minutes d'arc ; de l'autre côté de l'étoile, le filament s'évase en direction du sud-est autour de trois brins principaux (plus brillants au fur et à mesure que l'on s'éloigne vers l'ouest). Cette partie des Dentelles du Cygne est connue sous la désignation de NGC 6960 (elle n'en constitue en fait qu'une petite partie)

Final
Original
B
C

B

Description: Moyenne géometrique L=HA red=(Ha,R) green=(O,Ha,G) blue=(O,B)

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C

Description: L=HA red=(Ha,R) green=(O,Ha,G) blue=(O,B)

Uploaded: ...

ZWO ASI1600MM/QHY163M
N.I.N.A. Users
Narrowband imaging

2b.NarrowBand S2-Ha-OIII
8. SUPER NOVAE remnants

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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	1739142
PixInsight job	ZST912UOAWSTYLPJRA1W6K9X85KV2LKK
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h46m01s.84
RA (top/left)	20h42m49s.85
RA (top/right)	20h46m06s.23
RA (bottom/right)	20h49m12s.94
RA (bottom/left)	20h45m57s.44

Dec (center)	+30°41′03″.3
Dec (top/left)	+30°53′39″.9
Dec (top/right)	+29°57′57″.1
Dec (bottom/right)	+30°28′08″.6
Dec (bottom/left)	+31°24′09″.3

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Filamentary nebula

Filamentary nebula

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Filamentary nebula

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