The Halo Vault

After years of waiting, we finally have the very first Chinese Kern display, and it's a big one. On the morning of Feb 14 2020, a ...

Just under a year ago, we launched Project Kern , the aim of the project being to “ try to photograph as many Kern arcs as possible [in a t...

Have secondary parhelia made their appearance already this winter somewhere? If not, then here is the first one. On 8 February Kai Kotivuo...

I found very nice photo of diamond dust display (on 3. January 2006) with 44° parhelion. Photo is used with permission of Yvonne Primé. Al...

Here is a simulation of the Jaakko Tähti 44° parhelion display . In order to produce 44° parhelion (left arrow) in the simulation, multip...

Jaakko Tähti is to be congratulated! For completeness of the records, part of the Minnesota halos of 3rd ...

Once thought to be an extremely rare halo, the 44° parhelia is now increasing it's appearances. The display on the right was ph...