Rays & Shadows
Links & Resources
Search - Index
Halos ~ Contents
Searching for a particular halo seen in the sky? Try '
' and also the main site
The ice crystals that form halos. Shapes and orientations. Perfect and imperfect crystal, diamond dust, pyramids.
The more common halos in the skies, 22° halos, sundogs, pillars and more. How they are formed and where to look for them.
Rarer halos but still visible from time to time. Halos from aircraft, pyramidal crystal halos.
Great displays of past and present.
What halos might form in the skies of Mars, other planets and their moons?
Tips on seeing and photographing them.
A freeware program to accurately simulate halo displays.