NEBULEUSE DE LA BULLE NGC7635 (Anthony Husson)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · LBN 548 · LBN 549 · NGC 7635 · Sh2-162

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NEBULEUSE DE LA BULLE NGC7635

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NEBULEUSE DE LA BULLE NGC7635

NGC7635 est Située près de l'amas ouvert Messier 52, cette nébuleuse ressemble à une bulle. Elle est formée par le vent stellaire créé par l'étoile SAO 20575 (BD+60 2522) à une vitesse de plus de 1 700 km/s. Cette étoile, excentrée par rapport au nuage, est la plus brillante. Elle est très jeune (moins de 4 millions d'années), très chaude (environ 35 000 degrés) et massive (de 20 à 40 fois la masse solaire). L'étoile n'est pas au centre car le nuage en expansion rencontre une région plus dense et plus froide sur un côté. Elle devrait exploser en supernova dans 10 à 20 millions d'années.

NGC 7635 is Located near the open cluster Messier 52, this nebula looks like a bubble. It is formed by the stellar wind created by the star SAO 20575 (BD + 60 2522) at a speed of over 1,700 km / s. This star, eccentric with respect to the cloud, is the brightest. It is very young (less than 4 million years old), very hot (about 35,000 degrees) and massive (20 to 40 times the solar mass). The star is not in the center because the expanding cloud meets a denser, cooler region on one side. It should explode into a supernova in 10 to 20 million years.

Une Nébuleuse plus compliqué que je ne le pensais pour trouver des bonnes teintes.
j’espère qu’elle vous plaira.
Bon ciel à tous

A nebula more complicated than I thought to find good shades.
I hope you'll like her.
Clear skies.

AAA : Astronomes et Astrographes Amateurs
Astrophotographes (France)

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Status	Advanced success
Started	...
PixInsight job	AJCV7Z8F37YCRG8AQ0ZC372RVTDQT6Q9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m43s.455
RA (top/left)	23h23m17s.793
RA (top/right)	23h18m17s.879
RA (bottom/right)	23h18m11s.140
RA (bottom/left)	23h23m06s.730

Dec (center)	+61°10′13″.88
Dec (top/left)	+61°23′10″.42
Dec (top/right)	+61°24′34″.85
Dec (bottom/right)	+60°57′05″.67
Dec (bottom/left)	+60°55′43″.50

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NEBULEUSE DE LA BULLE NGC7635

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