1. Why not every month? On average, once every 18 months. 2. Total vs Annular 3. Path Width 50-300 miles 4. How rare? Last total in continental USA 1979 ( 38 years ago) 5.…
Slide 1PROPERTIES OF LIGHT, TELESCOPES AND OBSERVING TECHNIQUES Slide 2 Pre-lab Review Wave Properties Frequency: the number of complete waves that pass a point in…
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Capturing Ancient Light Astrophotography Basic tools and techniques (and a little theory) Prepared for the OAS by Al Tuttle Disclaimer This presentation is an amateur work,…