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mars_8x2min_2000thsec_ps-usm-hipass.jpg

mars_8x2min_2000thsec_ps-usm-hipass.jpg

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(11/17/2007)

30" (764mm) FPOA 3600mm f/4.8 newtonian, unguided. Canon 20d unmodified. Timing with Canon TC-01 timer.
Exposure 2000th sec at 100iso. 8 of about 20 shots taken.