Cory Poole — science teacher at University Preparatory School in Redding, California, and Gizmodo reader — has composed this 60-second time lapse video made from 700 frames captured by a Coronado Solar Max 60 Double Stacked Hydrogen Alpha Solar Telescope. His words…
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The pictures were shot in Redding California which was directly in the annular eclipse path. The filter on the telescope allows you to see the chromosphere which is a layer that contains solar prominences. The filter only allows light that is created when hydrogen atoms go from the 2nd excited state to the 1st excited state.
Check out the high resolution pictures at [Cory Poole]