Reply To: APP stacking process slowing down with 157 LightsBy KeesScherer / Activity › Forums › Astrosoftware › Astro Pixel Processor › APP stacking process slowing down with 157 Lights › Reply To: APP stacking process slowing down with 157 Lights April 4, 2017 at 11:50 #13772 KeesSchererParticipant Same stack in DSS, PI and APP (Left as opened in PI, right with same autostretch applied [target background 0.12])