Pp. Anikin et Om. Izakova, A METHOD TO DETERMINE THE CLOUD AMOUNT, Izvestia Akademii nauk. Rossijskaa akademia nauk. Fizika atmosfery iokeana, 30(2), 1994, pp. 254-257
Sky brightness in zenith was measured at 0.37 mum and 0.74 mum wavelen
gths. A method to determine the cloud amount based on these measuremen
ts is suggested. A comparison is given of visual and instrumental eval
uations of cloud amounts.