Fig.5 - The galaxies Messier 66 (left) and Messier 65 (right) in the constellation Leo on April 8/9, 2011. Four 8 minute exposures and a 3 minute exposure at ISO 1600 were added for this shot. Equipment: Canon EOS 20Da camera, TeleVue coma corrector, Zambuto 16" f/5 quartz optics in a Dieter Martini dobsonian telescope, dual-axis Tom Osypowski equatorial platform, Lacerta MGEN autoguider, Teleskop-Service off axis system TS-OAG9 EOS.