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Präzisionssonnenuhr     precision sundial     cadran solaire de précision

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Präzisions Sonnenuhr Sonnenuhren sundial sundials cadrans solaires zonnewijzers meridiana relojes de sol

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3D calculation !

 

Unmatched precision of

1 second through a unique

3D animation without the use of simplified formulas for

orbit and equation of time.

 

Additionally considered:

 

- the Earth as an ellipsoid

- the bending of light rays in the atmosphere

- calculation of the core shadow cast by the pointer on the dial depending on the distance

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ecliptic

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sun

earth

aphelion

perihelion

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