Reply To: Ha, OIII, SII stacking, how to?By Musquetier / Activity › Forums › Astrosoftware › Astro Pixel Processor › Ha, OIII, SII stacking, how to? › Reply To: Ha, OIII, SII stacking, how to? March 21, 2017 at 19:10 #13111 MusquetierParticipant Ok, during combining RGB the next thing happened when the Calculate button was pressed: