The Halo Vault

Lowitz arcs were first observed by Tobias Lowitz in 1790. Ever since, these arcs have been observed by numerous observers ( 1 ). These part...

There is less than half a year left until Halo Meeting 2009. The "official" registration form ( 1 ) has been added to our websit...

Streetlamp halos with their spatial form can be memorable experiences for the viewer. Yet, we know rather little of them. But now this is ch...

On 3rd of January it was possible in South-Estonia, Tartu to observe bright halo what was photographed by many people and was later reflect...

On the evening and night of 2-3 February 2009, I was testing my new HID-spotlight that I finally got earlier on that same day. What would be...

Above is a comparison of snow surface halo stacked from 40 frames two different ways (click image for an animation). The photo on the right ...

On 10 January 2009, Jan Smejkal observed a complex display in Prichovice, in which some rarer halo forms - such as the anthelion brightened ...