main processing steps in Pix 1.8 as follow:
Linear Deconvolution with PSF(starmask&stretched Lum mask),HDRTransformation with lum mask,colorcalibration with white reference&background, LRGB combination, selective colorsaturation.
To all: Thanks for the kind words and comments! It was a pity the FOV could not cover the whole galaxy,however,mosaic is not an easy cake to crack for me.