Variable parts of the command line, Y average luminances computation
(as regards darkframe subtraction and image identification)

 -o dark/off100.pgm -d dark/06.pgm:0.8 -sm200 -r05.rad 
 -o dark/off100.pgm -d dark/06.pgm:0.7 -sm200 -r07.rad 
 -o dark/off100.pgm -d dark/7.pgm:1.16 -sm200 -r25.rad 
 -d dark/29.pgm -sm200 -r26.rad 
 -o dark/off100.pgm -d dark/7.pgm:0.95 -sm200 -r27.rad 
 -o dark/off100.pgm -d dark/7.pgm:1.21 -sm200 -r28.rad 
 -o dark/off100.pgm -d dark/31.pgm:0.81 -sm200 -r30.rad 
 -o dark/off100.pgm -d dark/31.pgm:0.92 -sm200 -r32.rad 
 -o dark/off100.pgm -d dark/7.pgm:1.135 -sm200 -r34.rad 
 -o dark/off100.pgm -d dark/7.pgm:1.15 -sm200 -r35.rad 
 -d dark/37.pgm -sm200 -r38.rad 
 -o dark/off100.pgm -d dark/31.pgm:0.68 -sm200 -r39.rad 
 -d dark/31.pgm -sm200 -r40.rad