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Tuesday, August 29, 2017

August 21, 2017 total eclipse

During the total solar eclipse on 2017 August 21, I shot a sequence of 5 exposures, each 2 stops from its neighbor, in order to get reasonable exposures on prominences on the bright end the solar corona on the fainter end.  In this case, I used my Canon 6D with a 0.7x focal reducer on my f/10 Celestron EdgeHD 8 inch telescope with exposures of 1/500 sec, 1/125 sec, 1/30 sec, 1/8 sec, and 1/2 seconds going down the images below.  These images were taken early in the eclipse so that the Sun's photosphere is just covered by the Moon on the east (left) side while the west (right) side is well covered by the Moon.

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