SOLAR CARDS SOFIA - BULGARIA
SUMMER SOLSTICE 21 June
Lat = 42° 41' 52,33'' N
Long. = 23° 19' 17,83''
Alt. = 0 - 556 mt
The sun rises 04h 54' 26''
The sun sets 20h 02' 40''
T.L. (local costant) = 01h 33' 17''
W (hour angle) = ± 66° 28' 23''
Azimut max = ± 122° 42' 05''
Zenit max = 70° 41' 46''
Ho (solar radiation) = 3,129 kw/m2daytime
Arch. Giuseppe Devito





Fritz Zwicky
Varna
1898 - 1974



Nikola Stoyanov Mitov
Dojran
1874 - 1967