Astrophotography 101 - Eliminating Star Trails

The video tutorial discusses the importance of capturing sharp stars in astrophotography and the challenges posed by Earth's rotation. It explains the 500 rule for calculating maximum shutter speed and its limitations with modern digital sensors. The NPF rule is introduced as a more accurate method, considering factors like pixel pitch. The use of motorized tracking mounts is also covered, allowing for longer exposures and enhanced image quality. The tutorial concludes with recommendations for capturing maximum light and using star trackers effectively.

What new insight or understanding did you gain from this video?