M51, The Whirlpool Galaxy Taken at Lake San Antonio in California 2/9-2/10/2008
Telescope & Mount ITE/Intes-Micro MK10, 10" f/10 Maksutov-Cassegrain mounted on the Astro-Physics 900GTO.
Exposure & Guiding ST-10ME CCD with Custom Scientific LRGB filters: L=5x2400, R=3x720, G=3x660, B=3x800.
  Also used MaxIm DL/CCD + DSLR 4.5 from http://www.cyanogen.com
  Special thanks to Ken Sablinsky for use of the ST-10ME camera.