sn1006_B_00012_dw.fits
TARGET  = '                '   / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (2) B (375-490) '  / filter
DATE-OBS= '2012-10-09T09:45:48' / date of observation (UT)

sn1006_R_00010_dw.fits
TARGET  = '                '   / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (4) R (570-690) '  / filter
DATE-OBS= '2012-10-09T09:37:47' / date of observation (UT)

sn1006_V_00008_dw.fits
TARGET  = '                '   / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (3) V (490-580) '  / filter
DATE-OBS= '2012-10-09T09:31:30' / date of observation (UT)