ngc7510_g_00045_df.fits
TARGET  = 'NGC 7510'           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (1) g (400-530)'   / filter
DATE-OBS= '2012-09-20T01:03:48.224' / date of observation (UT)

ngc7510_i_00046_df.fits
TARGET  = 'NGC 7510'           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (3) i (700-825)'   / filter
DATE-OBS= '2012-09-20T01:06:07.687' / date of observation (UT)

ngc7510_r_00044_df.fits
TARGET  = 'NGC 7510'           / target
EXPTIME =                 100. / exposure time (seconds)
FILTER  = ' (2) r (530-700)'   / filter
DATE-OBS= '2012-09-20T01:00:27.972' / date of observation (UT)