The library of Eratosthenes

Beloeil

Thursday 24 April 2008 by perbosc

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school : Le Tournesol
Beloeil (Québec) Canada

latitude : 45° 35′ N
longitude : -72° 48′ W

On December 21st, we were very disappointed because we could not take our measures because the sky was too cloudy. But we calculated the time of solar noon, which stood at 11:51.

 16/01/2008

Today, January 16th, the sky is completely clear. We calculated that our solar noon was at 12:03. Here is the result of our measures:
Height of the gnomon : 15 cm

09h03 77cm
10h03 43cm
11h03 35,5cm
12h03 33cm
13h03 38cm
14h03 44cm
15h03 76,5cm

 22/04/2008

- date : 22/04/2008
- solar noon : 12:52
- gnomon : 15cm
- shadow : 10cm
- angle : 33°41’


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