crepuscular rays
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Mats MattssonAuroraAstrophotographyMagnetometer « crepuscular-rays
(Klick: 137;webbplatsen lades till: Jan 22, 2015, crepuscular-rays)
About aurora, astrophotography and some other phenomena of ligth in the sky.
mats mattsson aurora magnetometer northern light halo rainbow crepuscular rays sundogs