Ice Crystal Halos

I would like to share some thoughts about a possible new arc. This arc seems to be present on the two observations of Moilanen arc at high source elevation from Jari Luomanen ( 1 ) and Marko Mikkilä ( 2…

Changing crystal shape causes surprising behavior with Liljequist parhelion, casting doubts on its identity as a halo form. Look at the simulations above, larger image opens by clicking. I have simulated (software: HaloPoint2.0) the anthelic side of the plate parhelic…

This reflection subsun was photographed on 21 April 2006 in Salt Lake City and has been on display in the Flickr since then ( 1 ). The photographer, Heron, correctly suspected that sun’s reflection from the Great Salt Lake might…

For a change a display from Africa. This was see in Accra, Ghana, on 10 March this year. The photo was taken by Kwaku Chintoh. Sun is at 75.5 degrees elevation. The two sun concentric halos are rather 9° column…

At last they are here: good photographs of Bottlinger’s rings! Tim Stone’s images of Bottlinger’s rings over Illinois were published today in Les Cowley’s site ( 1 ). The rings lasted only for a few seconds, but luckily Stone was…

The kaleidoscope halos in a streetlight present some nomenclature problems. Please see the article Nomenclature Woes on my webpage (click the image above). I invite your suggestions for better names for the halos. Walt Tape

I welcome all fans of halo! Yesterday, March, 14th I observed halo in interesting enough combination. In this sunny day, walking on the Finnish gulf, I always checked the sky on presence halo. But it was not in the sky,…

Last January, 27 th, I managed to get one of my best halodisplays during my long observation period of halos – I have observed these phaenomena more than 15 years already. On my way home from work I observed 14…

The morning of 24th February at Riihimäki started with a solitary patch of supralateral arc ( 1 ) which was seen in a passing cloud and lasted for only a few minutes. Later on during the day a clearly elliptical…