Taken over 2 nights 7/12 and 7/14 2009 TeleVue NP101 and 0.8 reducer F/4.3 Celestron CGE ST-4 guided Modified Canon XT and Astronomik 13Nm Ha filter 25*600 second 800 iso sub exposures 20 dark, 30 flat, 30 bias 60+% illuminated moon