The Halo Vault

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...

Here is a collection of images showing an arc that looks like a downwards curving Hastings or Wegener. It's nothing new: the arc was ...

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 display shows the very common arcs that according to simulations seem to arise from 3b5 type raypaths in Lowitz oriented crystals ...

On the evening of 9th February I left my apartment to hunt diamond dust halos, but was also supposed make it to Lappland Chamber Orchestra...

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...

Above is a display showing arcs extending outwards from parhelia and an attempt at simulating with Lowitz oriented plates using HaloPoi...

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...

Occasionally diamond dust glints in pink and and cyan colors. Walt Tape, who saw the effect once in Fairbanks, called it as the psyched...