The Halo Vault

Hello everyone, after several talks with Alec, I decided to make some digging into my old odd radius halos displays to search for rare halos...

Often, when I see the clouds coming from west , I try to do a high cloud sunset to see if there is something to see (like sun pillar and sun...

Sunshine has been a rare phenomenon in Finland this winter. On 16th January, the sky was finally clear and temperature had dropped to -25°C,...

11-frame stack at sun elevation 2°: unsharp mask and colour enhancement (top), and background subtraction + blue-minus-red colour subtrac...

It was a weak odd-radius display which contained not only familiar pyramidal halos with radii of 9, 20, 24 and 35 degrees, but also a my...

About an hour before midday a layer of cirrus stratus clouds began moving toward the sun and I looked up and saw a colorful 22d halo and I n...

In this post I want to share some of my observations from last month, which I made in St Petersburg (from 15th April to 5th May) and in Psk...

Yesterday in St Petersburg was an odd radius display with a predominance of plate forms. The morning was cloudy. Around 11-30 sky sta...

A funny coincidence that a halo-observer may want to experience is travelling to Egypt and seeing some pyramidal crystal hal...

In June when conditions for observing halos aren’t fine because of low full moon elevation, I have had my best observation ever. On cirros...

These odd radii were a little bit surprising, I didn’t expect something like this at Asimenia beach in Kavroz. I had been waiting for any ...

On April 5th 2007 there was typical nice, but, dry“ cirrostratus in the sky without presence of hal...

A horrendously quiet April passed by without any noteworthy action (except Jarmo's fantastic bolide halo). Halo people were awakened f...

On 23 February an another diamond dust display with odd radius halos occured in Vaala, Finland. Temperature was dropping from -29°C to -24...

While at work on break I saw some cirrus clouds gather in the sky and I later saw a halo appear so I got my camera out of the car and my s...

On the evening of 30th January cirrostratus clouds filled the sky and odd radius halos (9, 20 and 35) were seen in the Moonlight in Hyvin...

On October 30 in Prague was observed rare halos. Stepanka Kosova had Lowitz arcs and 120 deg. parhelia (title photo). Lukas Shrbeny had nic...

During the Czech halo observers meeting in Kuncice, high clouds created some good displays. This odd radius halo complex was seen on 14....

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, ...

Lower 23 plate arc is a rare halo, that, as far as I am aware, has been observed and photographed only once. This was in Chile on 28. No...