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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.
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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.