Click image to enlarge, click here for highest resolution
Taken December 2, 2005 from my backyard in Castro Valley, California
AP180EDT f/9 imaging scope
FLI IMG6303E imaging camera @ -26C
AP80/900mm guidescope
SBIG ST7E guide camera
FLI CFW7 color filter wheel
6nm FWHM AstroDon Ha 50mm AR-Coated filter
6 exposures of 30 minutes through Ha filter
3 hours total exposure time