NGC 7635 The Bubble Nebula in Cassiopeia

Camera - QHY 163M

Telescope - Astro Tech 10" RC @ f/8  FL = 2000 mm

Mount - MI-250

Off Axis Guided with SX Ultrastar

SXV-AO LF

Sii Ha Oiii = RGB,  R=26x300s,  G=36x300s, B=26x300s,  Gain 75, Offset  50, -13C. All exposures taken with CCDAutopilot V5.  All exposures biinned 1X1.  Astronomik 6nm Sii, Ha, Oiii filters.  RGB Sigma clip combined in Maxim DL v6,  Additional processing done in Photoshop CC and Pixinxight 1.8.

RGB 130/180/130

Total 7.33 Hours

Date - RGB -  September 3-4, 2020