Green flash (w-094-16)
In gallery: Photos of the month (1999)
Related photos: Atmospheric optics
A small green rim appears on the upper edge of the solar disk, as its image sinks below layers of air with different temperature (density). The green color is caused by larger refraction of the shorter wavelengths of the light. Taken at Wijdenes, The Netherlands, in March 1999.
Kodak Gold 100 film, exp. 1/250 seconds at f/10 with 1000mm lens.