Events happening today
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ALL
DAY
16 September 2014
The Walther Sunset Ray is visible at 13:39 UT.
The brilliant Walther Sunset Ray is a special treat that occurs monthly for a matter of a few hours. On the western rim of the crater there is a notch and when the Sun is setting low on the lunar horizon light penetrates the notch, creating a vast triangle or “V” shaped light ray across the craters floor that ends as it illuminates the central peak of the crater.
Celestial Events
