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I would like to present a possible explanation for the Moilanen arc. I have read about the existence of this unexplained arc a few weeks ago and tried to figure out possible explanations. After getting the reflected lower sunvex parry…

On 15 January Marcin Matusinski from Poland observed one of the best Polish halo displays. It was visible on a ski slope on the Male Skrzyczne Mountain in the Beskidy Mountains (elevation about 950 m). The crystals originated from the…

The photo of this display is from László Dubek. It was shot on 28 December 2008 in the skiing cente of St. Corona, Austria. For further photos of the display, you can visit László’s gallery. ( 1 )

Last night we were observing a halo display on a car windshield. We will return to this later when all photo and video material is processed. Marko Riikonen, Jari Luomanen

This blue spot, that shows also green coloring, was observed by Patrik Trncak in the Czech Republic on 25 January. For further photos of this high-cloud display, click the following links. ( 1 – 2 )

January 2010 in Tampere, Finland has seen an incredible onslaught of pillars. Starting from New Year’s Eve cold weather (which recently has been fed by Siberian high) has settled over Finland. The temperatures have been around -20 °C. Pillar forests…

A subsun that glitters in separate crystals against the ground can look pretty nice, but in the photos it as a rule turns out a disappointment: only a few anemic glints are captured. But there is a recipe to make…

This white pillar rising from the subanthelic point was captured by the Swiss panorama webcam of Davos Rinerhorn (2281m) a bit more than a year ago on 14 November 2008. The picture was submitted by Bertram Radelow. By clicking on…

Bertram Radelow was the observer of this halo display on 14 December 2009. The temperature was -15 degrees that morning in Davos, Switzerland, and the crystals originated from the nearby snowguns. Further images of the display are available on Bertram’s…