util_master_flat#
- excalibuhr.utils.util_master_flat(dt, dark, combine_mode='median', badpix_clip=5)[source]#
combine flat frames; generate bad pixel map
- Parameters:
dt (list) – a list of flat frames to be combined
dark (array) – dark frame to be subtracted from the flat
combine_mode (str) – the way of combining flat frames: mean or median
badpix_clip (int) – sigma of bad pixel clipping
- Returns:
master, badpix – combined flat frame and bad pixel map
- Return type:
array