# FLATTEN -- Divide images by a flat field images,s,a,,,,Images to be flattened flatfield,f,a,,,,Flat field minflat,r,h,INDEF,,,Minimum flat field value pixtype,s,h,"real",,,Flattened image pixel datatype keeplog,b,h,)generic.keeplog,,,Keep log of processing? logfile,f,h,)generic.logfile,,,Log file imlist,f,h imfd,*s,h input,f,h flat,f,h flt,f,h