Last updated on April 24, 2014 at 14:25 EDT
More Scottish NLCs
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More Scottish NLCs

December 12, 2012
Notilucent clouds as photographed by Adrian Maricic of Loch Leven, Fife Scotland on July 3, 2011. Described as strong and widespread, they reflected on the surface of Loch Leven. Credit: NASA/Adrian Maricic