Gallery image

Night-time astronomical observation on Mount Pilatus

A person observes the night sky through a telescope on the summit of Mount Pilatus. The red light of the instruments illuminates the scene against the backdrop of the dark rock face and the starry sky.
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Person looking through a telescope at night on the peak of Mount Pilatus
Person looking through a telescope at night on the peak of Mount Pilatus
Technical details
Date taken
September 20, 2025
Shutter speed
7.7 s
Aperture
f/2
ISO
1600
Focal length
12 mm

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