Kipp&Zonen BSRN Scientific Solar Monitoring System User Manual
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If the pointing error of a pyrheliom eter is larger than its slope angle, the irradiance of the
pyrheliom etric sensor decreases rapidly with increasing mispointing. The value can be estim ated
using Fig. C1.2 and Fig. 1.3.
D 1.5
References
Allen, C.W . 1985: Astrophysical Quantities. The Athlone Press, London.
Major, G. 1995: Circum solar Correction for Pyrheliom eters and Diffusom eters. W CRP, W MO/TD-
No.635
Putsay, M. 1995: Circum solar Radiation Calculated for Various Aerosol Models. IDÄJÁRÁS, vol
99, pp 67-76.
Zirin, H. 1988: Astropysics of the Sun. Cam bridge University Press, Cam bridge-New York-
London-New Rochelle-Melbourne-Sydney.