Light Pollution
Fig. 19: View from Ahornalp towards north into Berner Mittelland. The haze in the sky increases the waste of light and energy into the night sky. The chain of hills on the horizon is the Jura. Nikon D200; Δt=960 s; f=24 mm; f/3.5; ISO 100; 19 May 2007 00:43:40