The routine that applies the bias (and other) data to the raw acm images is paga. This name stands for "Process A Group of Acm".

% cat BaseDir  
/media/sco/DataDisk1/sco/AD/HET_work/acm_nights
% cat Date     
20190724 
% acm_table_markII N 
% acm_bias_for_date none N     

% paga ACMDAT N      
Usage: paga newacm N  
arg1 - basename of table file (usually ACMDAT or newcam) 
arg2 - run in debug/verbose mode 

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What does paga do?
Header fix
To run:   acm_hdfix_list $listin $debug   --->    acm_hdfix_list list.NEW N
I edit list.NEW to use different numbers of images:
  N     seconds per image
  69      0.028986
 100      0.030303
 200      0.035000
 300      0.033333
 400      0.032500
 519      0.032755

CCD proccessing
To run
   cp LIST.OUT LIST.HDFIX
   image_process_list FIXUP LIST.HDFIX N
   acm_process.sh LIST.IN LIST.OUT 1400.85 0.81 DR05 N
I edit list.NEW to use different numbers of images:
  N     seconds per image
  69      0.028986
 100      0.040404
 200      0.040000
 300      0.036667
 400      0.037500
 519      0.038536
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