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Continent: North America
Country: Canada
City: Montr?al
Latitude: 45° N
Longitude: 35 W
Year: 2007
Assistant: Christine Brault
Address: Montr?al, Quebec, Canada
Exposure time: 24.6.-24.9.2007
Additional info: This solargraph looks so excellent with several movements of the Sun in green or blue colours in the sky. I wonder the reason for that. Does it comes from air pollutions or the Colour temperature? The white lines came in June during many sunny days. I like this solargraph very much and my interest is in the different colours of the movements of the Sun. I think that the white colour means pure air and sunny days. (Tarja Trygg)