Colour variations with phase of selected regions of the lunar surface |
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Authors: | Joseph Sidky Mikhail |
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Institution: | (1) Helwan Observatory, Cairo, Egypt |
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Abstract: | The four colour photometric observations of 15 regions of the lunar surface are reported in this paper. They all confirm the reddening with increasing phase. Observed regions at wide range of phase show an appreciable colour opposition effect. Reddening factors obtained, are larger near full Moon, and smaller at larger phase angles. |
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