Quote:
Originally Posted by marc4darkskies
Your contrast comes from the Luminance layer(s) (Ha or LHa blend). The chrominance layer(s) of an image, however balanced or blended, have no bearing on luminance contrast in the final image. It's possible that people perceive contrast better when it's white/grey as opposed to red though and, all things being equal (incl processing techniques), this is what might contribute most to one's personal taste. Let's agree to differ!  |
The contrast reduction is due to blending the R-channel of your combined RGB data into the Ha luminance.
The resultant HaR luminance has less contrast then a straight Ha luminance.
Regards
Steven