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The morning of 24th February at Riihimäki started with a solitary patch of supralateral arc ( 1 ) which was seen in a passing cloud and lasted for only a few minutes. Later on during the day a clearly elliptical…

Spotlight beam revealed a bunch of pyramidal crystal halos on 14th December 2009 at Janakkala, Finland. I drove to Kalpalinna ski resort, where snow guns were turned on. Immediately after walking into the spotlight beam I noticed a halo well…

In the image above the two photos in rigth hand column represent intense pillarforests with superparhelia rising from nearby lamps. The sight is very impressive as tens of lamps around the observer create pillars. Furthermore, one can see a long…

Sub-Kern, although already documented by Riikonen ( 1 ), was in the back of my mind when the plate crystal swarm got better in the night between 1st and 2nd January 2008. I was forced to photograph in a light-polluted…

Reflected Lowitz arcs were seen for a short period of time in Hyvinkää, Finland, on the very first day of the year. I used the spotlight as a light source. In the beginning of the night fierce pillars formed above…

Photograph above by Marko Riikonen on 1st June 2008. A noteworthy streak of pyramid crystal halos in Europe started with a display on 27th May in Stavanger, Norway, where two Hungarian observers took photos in the evening: András Uhrin (…

In the evening of 15th May Bernard Hulshof witnessed a fine halo display in Agios Gordis on the Greek island Corfu (composition of Bernard’s photos above). The display was dominated by pyramidal crystal halos including 9° and 24° plate and…

On 22nd March Jari Piikki photographed a 46° halo on snow surface. He took 20 photos and stacked them to come up with a photo above. The sky is from a single frame.

The morning of 16th March 2006 offered a perfect ending for skiing holiday week for Hinkka family, when a magnificent diamond dust halo display interrupted their outdoor activities near Himos ski resort. Markku Hinkka drew camera out and started shooting…