198 Lights EOS 70Da ISO 1600 3,2 sec f4 24mm 42 Flats 1/360 sec 105 Darks 54 DarFlats 67 BIAS 1/8000 sec Most options stayed at preset, only some changes: LOAD - No multi-sessioning - No autodetect Master & Integration - Object name "Comet-Test" CALIBRATE - all maps activated - Cosmetic Correction all on - 32 bit Masters (and oll other otions) aktiv -align channels aktiv (I think it have no efect by starting with interation button, but I tried) ANALYSE STARS - all preset REGISTER - dynamic distortion correction aktiv - save DDC-Model aktiv - rest preset NORMALIZE - all aktiv (I think it was preset) INTEGRATION - LNC 1st degree 2 iterations aktiv (tripod no tracking 3,2 sec 198 frames in a row) - MBB 10% aktiv (sky got darker over time) - maps all activ - rest preset System was restarted close bevore and all processes not nessesary to run the system were canceled!