Ice Crystal Halos

Displays

Riddle

Riddle

On 8 August, I was flying from Barcelona to Hungary, when I saw a faint pillar of ice crystals glistening close to me outside the window, at right angle to it. The pillar was white and the crystals were so…
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Coloured parhelic circle

Coloured parhelic circle

On 14 July Patrik Trncak from the Czech Republic observed a display with a coloured parhelic circle ( 1 ). The spectral colours were visible opposite the sun. Besides the more usual halos, the display also showed possible Lowitz arcs…
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Sub-anthelion

Sub-anthelion

First Panu Lahtinen thought he had seen the 120 deg sub-parhelia, but after consulting Jarmo Moilanen, who noticed the shadow of the airplane, the halo was identified to be “only” a sub-anthelion with a short sub-parhelic circle attached to it.…
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