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Diamond dust started falling around Himos, Finland on 14 December, and kept on for 4 consecutive days. This display with subparhelia was shot on the first day. A full parhelic circle was also observed, and for a short time, part…

Last winter I noticed one sided 22° halo on ice surface ( 1 ). This winter there has been a couple of more cases with varying degree of one-sidedness. The displays seem to be a rule on even surfaces, either…

Last Tuesday we were hunting diamond dust halos with Ágnes Kiricsi at Himos ski resort. Driving around took us to lake Päijänne, which had just started freezing. The ice was full of ice ferns, but one spot was quite clean…