The Halo Vault

Only three days before the low-sun odd radius display ( http://thehalovault.blogspot.com/2020/06/odd-radius-display-at-low-sun-in.html )...

* For ease of reading, in the following texts: CZA = circumzenithal arc, CNA = circumnadir arc. The Siziwang Qi display ( http://www.theha...

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 ...

Berkshire (UK), 28 April 2019: Top left corner shows what's left after applying the gradient subtraction and stretching of histogra...

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...

I would like to announce an exciting new initiative aimed at the whole halo community.  For a long time, the Kern arc has been consi...

As was mentioned in the comment section of Riikonen's report of the recent case of Kern arc in arctic diamond-dust, I was lucky enoug...

In 2017, halo activity in my part of the United Kingdom has so far been very quiet with not much to get excited about apart from the occa...

More photos from the 12/13 January night. The image above is a view opposite to the spotlight. Seen is blue circle, diffuse, Wegener an...