By Chuck’s Astrophotography 2017.1.17 SUBSCRIBE SUBSCRIBED UNSUBSCRIBE In this astrophotography video I show how to quickly process the Horsehead nebula when only using the H-alpha (Ha) narrowband filter. All of the processing is done in PixInsight, including stacking. Here are the list or steps: 1. Blink. 2. Batch PreProcessing Script (BatchPreProcessingScript) 3. Screen Transfer Function […]