Thosing, Korntip; Schrempf, Michael; Riechelmann, Stefan; Seckmeyer, Gunther
(Göttingen : Copernicus, 2014)
Spectral sky radiance (380–760 nm) is derived from measurements with a hemispherical sky imager (HSI)system. The HSI consists of a commercial compact CCD (charge coupled device) camera equipped with a fish-eye lens and ...