ic348_g_100s_00076_dfw.fits
TARGET  = 'IC 348  '           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (1) g (400-530)'   / filter
DATE-OBS= '2012-11-10T05:00:20.401' / date of observation (UT)

ic348_i_100s_00075_dfw.fits
TARGET  = 'IC 348  '           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (3) i (700-825)'   / filter
DATE-OBS= '2012-11-10T04:57:35.687' / date of observation (UT)

ic348_r_100s_00077_dfw.fits
TARGET  = 'IC 348  '           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (2) r (530-700)'   / filter
DATE-OBS= '2012-11-10T05:02:51.327' / date of observation (UT)