Ophiuchus and Antares Nebula Complex
EF 200mm f/1.8L lens @ f/2.8 on Canon EOS-40D (modified) on Losmandy
GM-8 mount with Vixen 80SS 80X400mm guidescope and SBIG ST-4 guider.
Exposure/Processing: 6 X 5 minute exposures ISO
800. Processed from raw images with Capture One Pro, stacked in
Registar and further processed in Photoshop.
Texas Star Party, Fort Davis, TX / April 21, 2009