Siril Skript "OSC_Extract_HaOIII_WithoutDBF"

############################################

#

# Script for Siril 1.2

# February 2023

# (C) Cyril Richard

# ExtractHaOIII v1.4

#

########### PREPROCESSING SCRIPT ###########

#

# Script for color camera preprocessing that

# extracts Ha and OIII

#

# Needs 4 sets of RAW images in the working

# directory, within 4 directories:

# biases/

# flats/

# darks/

# lights/

# Saves masters to ./masters/

#

############################################

requires 1.2.0

# Convert Light Frames to .fit files

cd lights

convert light -out=../process

cd ../process

# Calibrate Light Frames

calibrate light -cfa -equalize_cfa

# Extract Ha and OIII

seqextract_HaOIII pp_light

# Align Ha lights

register Ha_pp_light -drizzle

# Stack calibrated Ha lights to Ha_stack (temporary)

stack r_Ha_pp_light rej 3 3 -norm=addscale -output_norm -out=results_00001

# and flip if required

mirrorx_single results_00001

# Align OIII lights

register OIII_pp_light

# Stack calibrated OIII lights to OIII_stack (temporary)

stack r_OIII_pp_light rej 3 3 -norm=addscale -output_norm -out=results_00002

# and flip if required

mirrorx_single results_00002

# Align the result images, small shifts and chromatic aberrations can occur

register results -transf=shift -interp=none

# Renorm OIII to Ha using PixelMath

pm $r_results_00002$*mad($r_results_00001$)/mad($r_results_00002$)-mad($r_results_00001$)/mad($r_results_00002$)*median($r_results_00002$)+median($r_results_00001$)

save ../results/result_OIII_$LIVETIME:%d$s

# Save Ha final result

load r_results_00001

save ../results/result_Ha_$LIVETIME:%d$s

close