The Halo Vault

Occasionally, I get the impression, rightly or wrongly, that some observers consider halos which have been produced by spotlights to be ...

Fog turned into diamond dust in an optimal range of -5 to -10 ° C. I photographed the display in the evening soon after dark, the first ...

Here is the last post in the series. High sun stuff (only turned upside down). A "subhelic 46° infralateral arc" is visible on ...

Opposite to the lamp I could see something that thus far has appeared for me only in simulations: diffuse arcs extending all the way from...

Last mid-December, Rovaniemi was shrouded in fog for five days in a row. With temperatures hovering in -5 to -10 C range, the condition...

closeup of the photo below The year is gearing towards winter, the first glitter in northern Finland expected in less than two months. ...

The lamp in the photo is a couple of degrees below the horizon and there are 18, 20, 24 and 35 °  plate arcs. Plus a bit of a helic arc t...

These photos were taken on the night of 9/10 February. In the image above we see odd radius stuff in the beam: circular halos and some bu...

My previous post was about one photo from the night of 10/11 February 2017 in Rovaniemi. Here are the rest. Bridges are good places for s...

This was seen on 24 January 2017 in Rovaniemi. The image above is a total of 24 minutes exposure (48 frames). It shows all four kaleido...

To photograph a fogbow simultaneously with halos one's best bet may be the foggy autumn mornings with high clouds in the sky. (I lea...

by Marko Riikonen In the previous post of this display I discussed two photos taken towards the end of the hunt, just before twilight. No...

In an earlier post I told simulation attempts were not successful for this display. Well, I really did not put that much effort int...

By Aleksi Velhola and Marko Riikonen In an earlier post we showed a photo of a weird downward curving patch of Wegener/Hastings. Her...