The Halo Vault

On 23 February an another diamond dust display with odd radius halos occured in Vaala, Finland. Temperature was dropping from -29°C to -24...

I In 8 Feb 2007 an odd radius display was produced by local heating plant plumes in -28°C temperature in Vaala, northern Finland. I photo...

In the evening of 4 November this lunar display graced the sky soon after sunset. Among the halo forms observed are the rare heliac arc, Tap...

This picture was taken on December 10, 2005 by Wolfgang Gurgiser at the summit of the Hohe Salve (1829 m, Kitzbühler Alps, Austria) at a te...

Max Emerson kindly informed that photos of the display he had seen in Swizerland are indeed available and that there is also short video ...

Here's the pics and the Wegener and heliac arcs are annotated with black arrows. The pics were taken on Jan 15th 2006.