Vol. 3, issue 04, article # 16

pdf Oshlakov V. K. Photometric detection of clouds along the instrument sighting line. // Atmospheric and oceanic optics. 1990. V. 3. No. 04. P. 392-396.
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This paper analyzes observational data on zenith sky brightness within three spectral ranges around λ1=0.42μm, λ2=0.53μm, λ3=0.69μm. A possibility of detecting a cloud of any type at zenith from the position of its chromaticity point in the tricolor diagram is demonstrated.