############################################
# Script for Siril 1.0
# July 2020
# (C) Cyril Richard
# ExtractHaOIII v1.0
########### PREPROCESSING SCRIPT ###########
# Script for color camera preprocessing
# needs 4 sets of RAW images in the working
# directory, within 4 directories:
# biases, flats, darks and lights
#
############################################

requires 0.99.4

#build master-bias
cd biases
convert bias -out=../process
cd ../process
stack bias rej 3 3 -nonorm
cd ..

#preprocess flats
cd flats
convert flat -out=../process
cd ../process
preprocess flat -bias=bias_stacked

#build master-flat
stack pp_flat rej 3 3 -norm=mul
cd ..

#preprocess lights
cd lights
convert light -out=../process
cd ../process
preprocess light -flat=pp_flat_stacked -cfa -equalize_cfa -debayer

#extract Ha and OIII
seqextract_HaOIII pp_light

#align Ha lights
register Ha_pp_light

#stack calibrated Ha lights
stack r_Ha_pp_light rej 3 3 -norm=addscale -output_norm -out=../Ha_result

#align OIII lights
register OIII_pp_light

#stack calibrated OIII lights
stack r_OIII_pp_light rej 3 3 -norm=addscale -output_norm -out=../OIII_result

cd ..

#Now make linear match on OIII frame based upon Ha frame
load OIII_result
linear_match Ha_result 0 0.92
save OIII_result

close