I have fond memories of squeezing so deep exposure stacking out of the auto/adaptive-HDR-bracketing script in CHDK on my old "IXUS 100IS", that the AFAIK still

I have fond memories of squeezing so deep exposure stacking out of the auto/adaptive-HDR-bracketing script in CHDK on my old "IXUS 100IS", that the AFAIK still CCD had severe blooming around the window in the scene. Still great though!