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Last saturday I went to lake Pyhäjärvi ice to see diamond dust that was there. It turned out to be water fog, but there was moderate snow surface 22 and 46° halos. The 22° halo was broad, unlike any other…

Here is an example of a display where Moilanen arc intensity exceeds other halos. The arc is also sharp. If crystal sampling Moilanen arc displays has begun to feel frustrating, we still should carry the microscope with us: these kinds…

The display with 44 degree parhelia was observed by Roman Szpuk in the morning of 5 January at the meteorological station in Churanov, Sumava Mountains. The temperature was -11 °C, and the crystals may have originated from the nearby ski…

On the night of 9-10 January in Kangasala we observed light pillars that were accompanied on both sides by steeply rising arcs. These arcs were seen both with floodlights (two rightmost halo photos in the collage above) as well as…

Fairbanks was treated to a nice odd radius lunar display on the morning of December 31, 2009. The image above consists of four of my frames stacked by Jari Luomanen. I hope to have more photos and information on the…

Eetu Saarti photographed this double ellipse in the new year’s night. The phenomenon lasted for 15 minutes and was followed immediately by 22° halo. Click the image to see a gallery with two more photos.

The halo season has started in the Czech Republic, too. The above image was shot by Jiri Papez on 13 December in Dvoracky ski center. Nearby on Lysa hora the display was captured by the Hydronet.cz camera ( 1 ).

This display was photographed on 4th December by Liisa Eronen in Kulho, Kontiolahti, Finland. The temperature was around -4°C. Nearest ski center is located about 10 km away, so most likely this was caused by snow guns.

On the 14th November Mika Aho, Ágnes Kiricsi and I were hunting halos around Himos ski resort. Diamond dust was all over the place but it was not good, offering at best less than mediocre displays. At one stage when…

Below is the promised translation of the Arctowski’s famous observation in the Antarctic. Thanks for Frank Le Blancq for translating. In hard brackets are some clarifications by Frank. Translation of the whole double page of the book ( 1 )…