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Taken over 3 nights 7/18 and 8/3 and 9/19 2009 from Hillsborough NJ
6 hours total exposure
TeleVue NP101 and NPR-1073 reducer F/4.3
Celestron CGE and ST-4
Modified Canon XT and Astronomik 13nm Ha filter
17*600 second 800 iso sub exposures
24*450 second 1600 iso sub exposures
Dark flat and bias calibrated