NGC 7635

NGC 7635
NGC 7635, is also known as the Bubble Nebula, Sharpless 162, or Caldwell 11. It is an H II region emission nebula in the constellation Cassiopeia 11,000 light years away. 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.

Imaged in SHO narrowband at SRO, OTA CDK 14
Integration Time: 30 hours
Image Processing: Mike Selby