Our cover picture ...
... shows noctilucent clouds (NLC) in Brannenburg in the Upper Bavarian Inn valley at 47° 44' N). Such a southern extent of NLC is very rare. The picture was taken on the evening of 14 July 2009. NLC could be observed throughout Germany in this night. See also the article on page 134. © Claudia Hinz, Brannenburg
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