The Halo Vault

By Marko Riikonen This was a good no-hassle night of diamond dust hunt. The swarm was stationary and I didn’t have to pack up every 20 min...

In snow gun diamond dust displays Parry orientation is often strongly emphasized in relation to column orientation. There may be no sig...

On August 28th anthelic arcs appeared in the northern part of Finland. My coffee break was suddenly halted as watching from the window I n...

Towards the last weekend tension was rising among Finnish halo observers. It was going to be clear skies with sinking temperatures and fu...

A long-lasting halo display was seen in Southern Finland on 25th April. The gems of the display were odd radius column arcs, of which 9, ...