The Halo Vault

Elmar Schmidt was travelling southwards after the 10th Conference on Light and Color in Nature in Maryland. He observed this spectacular pyr...

Marco Candotti sent these photos from Italy. The images were taken on 15 June. The 22 degree halo lasted about an hour, while the pyramidal ...

A new version of Streetlight Halos is available ( 1 ). The project took on a life of its own, to the point where it is now a monster, more...

The elliptical halo display observed yesterday by Marko Riikonen and Jari Luomanen was formed - as usual - in Ac virga. Marko had been payin...

14-16 May saw Finnish atmospheric optics enthusiasts gathering in Finnish Astronomical Association's (URSA) Artjärvi observation center....

Alexandr Shinder made the above panorama of the odd radius display he observed in Kiev, Ukraine on 31 March 2010. Further images can be view...

Summer's first hot weather spell started on 12 May in Finland, and along came solitary 23° plate arc. Yesterday it got warmer (+24°C) an...