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Fig. 5 - Messier 66 and Messier 65 in Leo on April 8/9, 2011. 4 x 8 min & 1 x 3 min at ISO 1600. Canon EOS 20Da, TeleVue coma corrector, Zambuto 16-inch f/5 dobsonian, dual-axis Tom Osypowski equatorial platform.