SH2-129 & OU4 - The Squid and bat nebula (AstroFleetTeam)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD202214 · HD202380 · HD239618 · LBN 445 · LBN 449 · LBN 453 · Sh2-129

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SH2-129 & OU4 - The Squid and bat nebula

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SH2-129 & OU4 - The Squid and bat nebula

Hi astronomers !

La nébuleuse du calmar géant, cataloguée sous le nom de Ou4, et Sh2-129 également connue sous le nom de nébuleuse de la chauve-souris volante, sont toutes deux situées dans la constellation de Céphée.
Elle fut découverte en 2011 par l'astrophotographe français Nicolas Outters.
Bien qu'apparemment complètement entourée par l'émission d'hydrogène de Sh2-129, la véritable distance et la nature de la nébuleuse du Calmar ont été difficiles à déterminer.
Les mesures les plus récentes suggèrent que Ou4 se situe réellement dans le nuage de Sh2-129, à environ 2 300 années-lumière en arrière. SH2-129 serait elle, à une distance de 1300 année-lumière.
La nébuleuse du calmar aurait un diamètre d'environ 50 années-lumière.

L'image présentée ici est le résultat de 48h de poses unitaires tres longues avec une camera couleur !

En espérant qu'elle vous plaise !

Bon ciel a tous !

TEAM AstroFleet

AAA : Astronomes et Astrographes Amateurs
Astrophotographes (France)
Narrowband imaging
3nm Narrowbanding filters
Sharpless2 Objects
QHY268M/ZWO2600M Images

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Status	Advanced success
Started	...
Astrometry.net job	9170135
PixInsight job	K4MIABP08BO2NIGV2DW596HPDZLIUAGW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h13m01s.804
RA (top/left)	21h09m31s.515
RA (top/right)	21h09m42s.918
RA (bottom/right)	21h16m23s.238
RA (bottom/left)	21h16m30s.392

Dec (center)	+59°56′28″.85
Dec (top/left)	+60°41′04″.70
Dec (top/right)	+59°11′24″.70
Dec (bottom/right)	+59°11′33″.63
Dec (bottom/left)	+60°41′13″.71

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SH2-129 & OU4 - The Squid and bat nebula

SH2-129 & OU4 - The Squid and bat nebula

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SH2-129 & OU4 - The Squid and bat nebula

SH2-129 & OU4 - The Squid and bat nebula

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