hawki_cal_flat(7) on Linux
The text b07328fb58be, as Debian 9 (Stretch) shipped it.
Twillight flat recipe
Flags it lists
-
--extra_stats -
--highval_bpm -
--lowval_bpm -
--normalise -
--second_pass -
--select_auto -
--select_auto_max_bins -
--select_max_level -
--select_max_rms -
--select_min_level -
--select_min_nframes -
--sigma_badres -
--sigma_bpm -
--zone