The Halo Vault

  The weather was cold with a light breeze from the west, so I headed east to Jokkavaara gravel pits to check whether the reach of the diamo...

By Lasse Nurminen and Marko Riikonen The cold spell that started in February in Finland brought along some surface helic arc displays. In th...

On 6th February 2021 I noticed a nice 2 o'clock spot outside the 22° halo in the sky. I succeeded to take a stack of 40 photos in 4 min...

Finland has been treated to an extraordinary outburst of elliptical halos. Between 9 and 18 February, no less than five ellipses were seen, ...

This winter's first solar surface display in Rovaniemi came on the first day of February. It was not among the most basic kind of displa...

  Here is yet another column dominated display in Rovaniemi. It was pretty stable, giving me the longest stack this winter, 31.5 minutes (63...

It was fortunate that I discovered a new webcam for Rovaniemi on this day. After having spent the whole night out at below -30 C temps waiti...