0820-KK3

2017-08-20, Austria, Photo: Karl Kaiser

Posted on September 20, 2017. Bookmark the permalink. 1 Comment.

  1. The picture from Austria with the whitish stripes in the dark blue sky are so-called noctilucent clouds in the stratosphere, also known as NLCs.
    Check this here:
    https://forum.meteoros.de/viewtopic.php?f=34&t=58780&start=60

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