Here is an image made using my ZenithStar 66. The orientation is not North up (I needed to fit the object in the camera FOV). It is a combination of OSC and HAlpha. The image can be seen with some of the exposure and processing details here:
http://www.jthommes.com/Astro/DSLR/NetworkNeb.htm
Optic: ZenithStar 66 mm APO
Camera: Canon 350D EOS Clip HAlpha filter and OSC
Mount: G11/Gemini
Guiding: Megrez II at 555 mm FL, DSI Pro, PHD Guiding
http://www.jthommes.com/Astro/DSLR/NetworkNeb.htm
Optic: ZenithStar 66 mm APO
Camera: Canon 350D EOS Clip HAlpha filter and OSC
Mount: G11/Gemini
Guiding: Megrez II at 555 mm FL, DSI Pro, PHD Guiding
Jim Thommes
Mak-Newt 152 mm
C8
Megrez II APO
Zenithstar 66 mm APO
G11/Gemini
ST8300M
Artemis285 Camera
Canon 350D DSLR
http://jthommes.com/Astro/