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| © Oscar van der Velde | Jul 13th, 2008 Sant Vicenē de Castellet, Spain |
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Noctilucent clouds seen from 41.67°N, 1.86°E (near Barcelona). By eye just detectable as NLC, in the photograph clearer because of a slight contrast enhancement. 2045 UTC. |
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| Exposure details: Canon EOS 5D, ISO 800, 5 sec f/3.2, 90mm, RAW | |