NGC 7635
The Bubble Nebula Region, Cassiopeia
Click image for larger view

AstroPhysics 175EDF f8
AP 3600GTO "El Capitan"
SBIG STT-8300
SBIG FW8G
(Guided Filter Wheel)
October 2015. Cave Creek Canyon Observatory, Arizona Sky Village
Equipment:

Telescope:
Mount:
Camera:
Guider:
Filters:

- Luminance (Astrodon) 14x10 mins   = 140 mins
- Red
(Astrodon) 12x10 mins                 = 120 mins
- Green
(Astrodon) 12x10 mins             = 120 mins
- Blue
(Astrodon) 12x10 mins                = 120 mins
 
Total Exposure Time =  8h 20m
Details:
Data Imaged remotely over 2 nights (Oct 10 & 11, 2015).
The Bubble Nebula lies within a large Molecular cloud. The Bubble itself is formed by the strong stellar wind eminating from the central star.

2015, David A. Churchill
Links:

The Astro-Physics 175EDF Telescope