Crepuscular Rays Observed from Italian Alps

December 30, 2022


Tramonto sull'Aiguille Noire de Peuterey

Photographer: Valter Luna  

Summary Authors: Valter Luna; Jim Foster

Shown above is a breathtaking set of crepuscular rays that I observed over the Aiguille Noire de Peuterey in the Italian Alps. Rays such as this while most often associated with clouds near the horizon can also take shape when sunlight filters through mountain passes, as was the case on this mid-summer’s evening. However, for these rays to be seen, the atmosphere must be dusty. Sunlight scattered by dust particles, and or other aerosols suspended in the atmosphere, act to project the rays across the sky. Photo taken on July 29, 2022.

Photo details: Nikon D100 camera; Sigma lens 18-250 mm (18 mm); 1/250 sec exposure; f / 16; ISO 200


Aiguille Noire de Peuterey, Italy Coordinates:  45.815, 6.893611

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