Lunar halo display featuring Parry arc (w-458-08)

In gallery: Photos of the month (2002)
Related photos: Atmospheric optics Ice crystal halos

A fine lunar halo display over New Mexico, on Oct. 14, 2002. The photo shows a 22 degree halo, sharp upper tangent arc, parselenion (the lunar version of a parhelion), parselenic circle, fine upper concave Parry arc over the tangent arc, a very faint left infralateral arc and traces of the Lowitz arcs at the parselenion.

Photo taken Oct. 14, 2002. New Mexico, USA, at Box Canyon.