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NGC 7635

Bubble Nebula

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Next_Img2 NGC7635_2017 NextBlack1
 

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Technical details:

Location / Date: Outside of Kopparberg, Västmanland, Sweden / 2017-December

Optics: Orion Optics UK AG12

Mount: 10 Micron GM1000 HPS (Unguided)

Camera: Canon Atik One 6.0 with Astrodon 1,25" L-RGB Gen 2 E-Series Filterset

Exposure: L:66 x 300s, R: 16 x 300s, G:12 x 300s, B:12 x 300s

(cumulative exposure time is 8 hours and 50 minutes)

Processing: Pixinsight and Photoshop

 

Image details:

NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. It is at a distance of 7100 to 11000 light years from earth. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575. The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. It was discovered in 1787 by William Herschel. (Information from Wikipedia)

 

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