ice halos and other optics

Reflected Lowitz arcs on 14 December 2010

I spent whole day out on Pyhäjärvi ice to look for this display. In the beginning had to do some running to get inside the diamond dust which was at the far end of the lake. Reflected Lowitz arcs are seen in stacked images. A reminder of Moilanen arc and helic arc are also present.  Yet another helic arc without Parry arc.  Sometime after midday the the diamond dust vanished and I started to pack up to walk back about 4 km to car. But this was a very short lived moment and the diamond dust enshrouded the place again and I stayed untill sunset. At the end there was only sun pillar. Tempereture was below -20 C.


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