Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  NGC 7635
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NGC 7635 • Bubble Nebula in HOO, Douglas J Struble
NGC 7635 • Bubble Nebula in HOO
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NGC 7635 • Bubble Nebula in HOO

Getting plate-solving status, please wait...
NGC 7635 • Bubble Nebula in HOO, Douglas J Struble
NGC 7635 • Bubble Nebula in HOO
Powered byPixInsight

NGC 7635 • Bubble Nebula in HOO

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Description

This is a combination of data captured this year and last year. I decided to process this in a bicolor Ha and OIII format processing it even further splitting the tones.

NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. 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 (BD+60°2522). 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. The star BD+60°2522 is thought to have a mass of about 44 M☉.

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NGC 7635 • Bubble Nebula in HOO, Douglas J Struble