Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020 (Vincent Bchm)

Contains: Solar system body or event

Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020

Link: https://flic.kr/p/2kpubHQ

Acquisition type: Lucky imaging

Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020

Link: https://flic.kr/p/2kpubHQ

Acquisition type: Lucky imaging

They are thin, wavy lines of alternating light and dark that can be seen moving and undulating in parallel on plain-coloured surfaces immediately before and after a total solar eclipse. They are caused by the refraction by Earth's atmospheric turbulence of the solar crescent as it thins to a narrow slit, which increasingly collimates the light reaching Earth in the minute just before and after totality.

The band's rapid sliding motion is due to shifting air currents combined with the angular motion of the sun projecting through higher altitudes. The degree of collimation in the light gradually increases as the crescent thins, until the solar disk is completely covered and the eclipse is total.

One has to imagine in real time, those shadows was quickly dancing.

Stars twinkle for the same reason. (Source: Wikipedia)

14 December 2020, 16:10:51UT

Neuquén provincia, Argentina

C1: 14:46:03

C2: 16:08:36

Max: 16:09:42

C3: 16:10:43

C4: 17:36:34

EOS 760D, ZS61II APO

One single shot: 1/4000 | ISO200 | f/5.9

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Description: Full frame (APS-C size)
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Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020

Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020

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Shadows band, or flying shadows during total solar eclipse, after C3. December 14, 2020

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