TJ.0416-00Sun pillar at sunset, the sunlight reflecting off ice crystals in the cold air. Kap Tobin, Scoresbysund. East Greenland
LS.0078-00Ice crystals in the upper atmosphere. A pair of parhelia, a sun pillar, the 22° halo, and a hint of the upper tangent arc viewed over the Hayes Range from the Delta Mountains. Eastern Alaska Range.
LS.0081-00Sun pillar over the 16,300' Balcony Camp on the West Rib of Denali. Denali National Park, Alaska.
LS.0062-00An exceptional show of ice halos. A pair of parhelia (sun dogs), the 22 degree halo, the parhelic circle, several subhelic arcs (inside the prominent 22 degree halo), a prominent lower sun pillar, a weak upper tangent arc, a pair of subparhelia, and perhaps even a hint of the subparhelic circle. Sunburst Mtn, Kenai Mountains, Alaska.