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
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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)

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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.

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Status	Advanced success
Started	...
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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