Sh2-129 & OU4 - la nébuleuse de la chauve-souris en vol et la nébuleuse du calamar géant (Matthieu TEQUI)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD199937 · HD200205 · HD201063 · HD201344 · HD201429 · HD202214 · HD202380 · HD203265 · HD203534 · HD203551 · HD239582 · HD239618 · HD239626 · LBN 441 · LBN 445 · LBN 449 · LBN 453 · Sh2-129

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Sh2-129 & OU4 - la nébuleuse de la chauve-souris en vol et la nébuleuse du calamar géant

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Sh2-129 & OU4 - la nébuleuse de la chauve-souris en vol et la nébuleuse du calamar géant

version HOO
Sh2-129 est une nébuleuse en émission du catalogue Sharpless située à environ 1300 AL dans la constellation de Céphée. On peut également y distinguer au travers Ou4, découvert par Nicolas Outters, située à 2300 AL. Sa taille est de 140'x140'.
Il m'a fallu 3 nuits complètes pour l'imager ce qui est relativement peu au final. Cela est possible grâce au capteur de la 2600 (Sony IMX571) beaucoup plus sensible que la 1600 et le rapport F/D bien ouvert de la FSQ avec son réducteur (F/3.6).

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Sh2-129 is an emission nebula in the Sharpless catalog located around 1300 AL in the constellation Cepheus. One can also distinguish there through Ou4, discovered by Nicolas Outters, located at 2300 AL. Its size is 140'x140'.
It took me 3 full nights to image it, which is relatively little in the end. This is possible thanks to the sensor of the 2600 (Sony IMX571) which is much more sensitive than the 1600 and the very open F/D ratio of the FSQ with its reducer (F/3.6).

Original
Final
B

IOptron CEM
Sharpless2 Objects
Imaged with N.I.N.A.
Astrophotographes (France)
Takahashi Refractors

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Status	Advanced success
Started	...
Astrometry.net job	8660320
PixInsight job	U43CS7BPT7BM4RVFOS36J18EJD4COGS2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h07m13s.38
RA (top/left)	21h19m34s.23
RA (top/right)	20h51m40s.98
RA (bottom/right)	20h55m53s.85
RA (bottom/left)	21h22m00s.46

Dec (center)	+60°05′43″.10
Dec (top/left)	+61°29′37″.9
Dec (top/right)	+60°50′45″.7
Dec (bottom/right)	+58°37′46″.3
Dec (bottom/left)	+59°14′08″.2

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Sh2-129 & OU4 - la nébuleuse de la chauve-souris en vol et la nébuleuse du calamar géant

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