2012-02-07

Halo

Halo, Sundogs and Parhelic Circle, Karpacz, Poland

Optical phenomena caused by light reflection in hexagonal ice crystals: 22 deg halo (the circle), sundogs (bright spots outside the halo) and parhelic circle. Observed in Karpacz, Sudety, Poland in January 2012. Temperature was about -12 C
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