My first attempt at enhancing a LRGB image with hydrogen alpha.
NGC 7635
Date: January 15, 2010
Constellation: Cassiopeia
Location: Dominion Astrophysical Observatory, BC
Optics: TeleVue NP-127is used at f/5.2
Mount: Paramount ME (guided with SBIG external camera)
Camera: SBIG ST-2000XM with CFW10 and LRGBHa Astrodon Filters
Binning: L 1x1 / RGB 2x2 / Ha 1x1
Exposure Time: L 1x10m / R 1x10m / G 1x10m / B 1x10m / Ha 1x15m (at -25C)
Processing: Images not calibrated. LRGBHa combined using ImagesPlus.