The Halo Vault

This splendid display was seen last night in Sirkka, Finland. The photographer, Timo Veijalainen, tells the display lasted for about an hour...

46° contact arc was suggested theoretically in 1980 by Robert Greenler. Halo enthusiast have since kept the 46° contact arc in mind, but it ...

This display, with sharp and rather strong Moilanen arc was photographed a week ago by Jay Brazel in Silvercreek-Granby, Colorado, U.S.A. Fu...

Circular halos on snow surface are common sights, but on ice surface halos are seen much less often. When ice surface halos do show up, they...

Helic arc is no news in snow gun generated diamond dust displays, but in high clouds the halo is extremely rare. Of the latter type, shown h...

Winter's first display in a spotlight beam was captured in the weekend by Jukka Ruoskanen. Click on the image to see the rest of his pho...

Here is an example of Moilanen arc with not even a hint of Parry or tangent arc. However, unlike in the previous post photo, there might be ...