SOLAR CARDS LONDON - GREENWICH - ENGLAND
SUMMER SOLSTICE 21 June
Lat = 51° 28' 36,50'' N
Long. = 00° 00' 00''
Alt. = 0 - 194 mt
The sun rises 03h 50' 10''
The sun sets 20h 13' 30''
T.L. (local costant) = 00h 00' 00''
W (hour angle) = ± 57° 04 ' 59''
Azimut max = ± 129° 36' 16''
Zenit max = 61° 55' 02''
Ho (solar radiation) = 2,428 kw/m2daytime
Arch. Giuseppe Devito






Isaac Newton
Woolsthorpe by Colsterworth
1642 - 1727




William Herschel
Hannover
1738 - 1822