Lafrançaise, France
November 2007
Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +E/-W |
---|---|---|---|---|---|
Lafrançaise | France | Collège Antonin Perbosc | 44.127 | 1.238 |
Date | Gnomon | Shadow | Angle |
---|---|---|---|
November 09 | 100 cm | 180 cm | 60°56’ = 60.945° |
November 16 | 100 cm | 194 cm | 62°43’ = 62.731° |
November 30 | 100 cm | 224 cm | 65°56’ = 65.943° |
9 nov / 10 nov 2007
date | city | lat. (°’) | lat.(dec) | gnomon | shadow | angle (°’) | angle (dec) |
9 nov | Lafranç. | +44°08’ | +44,13° | 100 cm | 180 cm | +60°57’ | +60,95° |
9 nov | Palma | +39°33’ | +39,57° | 100 cm | 154 cm | +57°00’ | +57,00° |
10 nov | Cañada | -32°49’ | -32,67° | ??? cm | ??? cm | -15°33’ | -15,55° |
Lafrançaise-Cañada
Angle difference | 60,95-(-15,55) = 76,5° |
Distance | 8550 km |
Circumference of the Earth | 8550x360/76,5 = 40235km |
Palma-Lafrançaise
Angle difference | 60,95-57,00 = 3,95° |
Distance | 510 km |
Circumference of the Earth | 510x360/3,95 = 46481km |
16 nov 2007
date | city | lat. (°’) | lat.(dec) | gnomon | shadow | angle (°’) | angle (dec) |
16 nov | Lafranç. | +44°08’ | +44,13° | 100 cm | 194 cm | +62°43’ | +62,73° |
16 nov | Cañada | -32°49’ | -32,67° | ??? cm | ??? cm | -14°19’ | -14,32° |
Lafrançaise-Cañada
Angle difference | 62,73-(-14,32) = 77,05° |
Distance | 8550 km |
Circumference of the Earth | 8550x360/77,05 = 39948km |
30 nov / 1 dec 2007
date | city | lat. (°’) | lat.(dec) | gnomon | shadow | angle (°’) | angle (dec) |
30 nov | Arras | +50°17’ | +50,28° | 100 cm | 300 cm | +71°54’ | +71,89° |
30 nov | Lafranç. | +44°08’ | +44,13° | 100 cm | 224 cm | +65°56’ | +65,94° |
1 dec | Palma | +39°33’ | +39,57° | 100 cm | 185 cm | +61°36’ | +61,61° |
Lafrançaise-Arras
Angle difference | 71,89-65,94 = 5,95° |
Distance | 684 km |
Circonférence de la Terre | 684x360/5,95 = 41385km |
Palma-Lafrançaise
Angle difference | 65,94-61,61 = 4,33° |
Distance | 510 km |
Circumference of the Earth | 510x360/4,33 = 42402km |
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