module_flatfield_combine input_series= camera= datum=
input_series="string"
where string is the series name of the intermediate flatfield (su_production.flatfield_fid) camera=cam
, side camera: cam=1, front camera: cam=2 datum="date"
date="yyyy.mm.dd" TAI-day for which the intermediate flatfields have been calculated. End of TAI-day datum is T_START of updated flatfield
module_flatfield_combine input_series="su_production.flatfield_fid" camera=2 datum="2010.10.09"