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13-14 june 2009: Barcelona-Bénin-France: earth radius of the earth

by Tidjani Coffe, Rosa Ros, Ghislain Bernard, Charles-Henri Eyraud, Jean-Michel Vienney Son değişiklik: 2009-07-07 13:31

Photos and measures from

parakou.jpg
Parakou : 14 juin 11h44 UTC       gnomon 32cm ombre 7,1cm
barcelona.jpg Barcelona: 13 june 11:50 UTC     gnomon 77cm , ombre 26.7cm
                 14 june 11:48 UTC     gnomon 80 cm, ombre 26cm
draguignan.jpg
Draguignan
lyon.jpg Lyon (France) 13 juin 11h41  UTC     gnomon 1m, ombre 0,41m
buthiers.jpg

Buthiers (France) 13 juin 11h47 UTC  gnomon  0,853m   ombre 0,399m

Measures: 90°-altitude (zenithale distance)

  Parakou Barcelona Draguignan Lyon Buthiers
Longitud (East) 02° 37' 00" 02°11' 17" 06° 28' 04° 47' 14" 02° 25' 31"
Latitud (Nord) 09° 21' 00" 41°23' 14" 43° 32' 45° 45' 12'' 48° 16' 42"
13 june nuages 19° -- 22°30' 25°10'
14 june 13° 18° -- -- --
Distance // (km)  3560  0  238  485  766
Z. Dist (calculation)
(declinaison 23°15')
14° 17°50' 20° 22° 33' 25°

Googlemap of the 5 city

Help for calculation

La bibliothèqued'Eratosthène : Toutes les mesures

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