# next is file make_flat.param # parameters used by the "make_flat" script # directory containing the raw image files input_dir /usr/tom1/data # stem for the name of output master flatfield files # (will have filter appended, so "master_flat" will # yield names like "master_flat_V.fts") # output_dir ../output output_file master_flat # these define a box which we'll use for scaling frames # to a common mean, before combining to make a flatfield frame box_number 9 box_row_center 1000 box_col_center 1000 box_row_size 200 box_col_size 200 # these are used by the "mask" program to define "bad regions" # on (a trimmed copy of) the flatfield image. A "bad region" # is a group of connected pixels which all deviate stronly from # the local mean and stdev. mask_gridsize 150 mask_minsig 10.0 mask_minpix 30 # do we want to use special twilight-sky (or dome) images to create # the flatfield frame, or use night-sky images of target objects? # If this is set to 1, then we use images with type "flat"; # otherwise, we use (night-sky) images with type "object". twisky_flats 0 # we combine at most this many images in each filter to create # a master flatfield. We ignore any excess images flat_maximages 250 # end of file make_flat.param #####################################################