Using the Blink Process to Asses & Cull Your Subs!
This video demonstrates how you can use the Blink Process to do a Blink Analysis - allowing you to assess your subs and cal frames and eliminate problematic ones so they will not contaminate your preprocessing steps.
Blinking Between Two Images
This video deals with Blinking between two images in Pixinsight - a convenient thing to do when comparing images in Pixinsight or when you want to evaluate the impact of a processing operation.