Object: The Bubble Nebula - NGC 7635
Date/Time: RGB data - 11/10/06, H-alpha data - 11/15/06
Location: Upham NM (color) and Las Cruces, NM (Ha).
Camera: Meade DSI Pro II using Schuler 9mm Ha and Meade RGB filters
Exposure: HaRGB 108:30:30:30 @ 4 minute subs 
Telescope: TeleVue 85mm refractor (f/5.6) piggybacked on a Meade 10" LX200
Guiding: DSI color camera using Envisage
Processing: Calibration, registration, stacking, and RGB combination using ImagesPlus. Light noise reduction on Luminance frame using PixInsight. Final RGB to Luminance registration using Registar. Color to Luminance frame combination and final processing in PhotoShop.  11/30 - Reworked using Robert Gendler's HaRGB combination technique here: http://www.robgendlerastropics.com/HARGB.html
Comments: The bubble nebula in Cassiopeia is being being inflated by intense stellar winds from a massive star contained within.  The bubble structure is estimated to be 10 light-years across and at a distance of 11,000ly. 

© Dave Dockery 2006