Noctilucent Clouds Invade the USA

Space Weather News for July 15, 2009
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NOCTILUCENT CLOUDS GO WILD: An intense display of noctilucent clouds (NLCs) lit up the skies of Europe and North America last night.  Bright electric-blue tendrils were visible through fireworks during Bastille Day celebrations in France, while the clouds descended as far south as Nebraska in the USA.  Sky watchers should be alert for a repeat performance tonight.  Observing tips and photos of the July 14th-15th display may be found at these URLs:

Europe: http://spaceweather.com/nlcs/gallery2009_page12.htm

USA: http://spaceweather.com/nlcs/gallery2009_page13.htm

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