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Fig. 1. (A) Experimental arrangement of the 180° field-of-view imaging
polarimetric measurement of the reflection-polarizational characteristics of
horizontal water-dummies. (B) Relative reflectivities of the matt black and
matt grey cloths (used as substrata of the glass panes) as well as the black
and grey water-dummies. (C) The mirror image of the apparent celestial path of
the sun during the measurements on 18 July 2002 under clear, cloudless skies
at the Hungarian Kunfehértó (46°23' N,
19°24' E) in a system of polar coordinates, where the solar azimuth
angle (
s) is measured clockwise from the magnetic north, and
the solar elevation (
s) is measured radially from the
horizon. Dots show the solar positions when the measurements were performed.
Black dots represent the solar positions when the patterns in Figs
2 and
3 were measured.
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