../ dark_frame_100ms.pgm 06-Feb-2020 21:01 173573 dark_frame_1s.pgm 06-Feb-2020 21:01 173574 dark_frame_200ms.pgm 06-Feb-2020 21:01 173572 dark_frame_333ms.pgm 06-Feb-2020 21:01 173570 dark_frame_3s.pgm 06-Feb-2020 21:01 173574