26 Nov 2002 Jarmo Moilanen

Halos

Halos are spots, rings or arcs of colored or white light around the sun or the moon. They are formed when light is refracting or reflecting in small ice crystals floating in the air.

More about halos

• A short indroduction into halos (including a list of known halos)

More about spesific halos

• Jarmo Moilanen: Separation between the 46° halo and the 46° supralateral arc (this is the appendix of European Halo Project summery of year 1997)