Corona

Only when the moon covers the sun in a total eclipse can its halo be seen.  This is the corona, a mystery to astronomers, who only get a glimpse of it for a few minutes during totality.  The dot to the lower left is the star Regulus, in the constellation Leo, suddenly visible while the sun is eclipsed.

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Heise Hot Springs, Idaho
21 August 2017
EOS 6D on Televue-85, 480 mm f/5.6
HDR composite of 8 exposures


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2 thoughts on “Corona

  1. Pingback: Sunset at Mauna Kea | Thor's Life-Notes

  2. Pingback: Prominences | Thor's Life-Notes

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