People observing the starry sky with a telescope on the observation deck at Mount Pilatus
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Starry sky above the Pilatus observation deck

September 20, 2025

Image description

Observers view the night sky and the Milky Way from the observation deck at Mount Pilatus. A telescope is positioned on the platform.
Date taken
September 20, 2025
Resolution
5'184 × 3'888 px (20.2 MP)
Shutter speed
10 s
Aperture
f/2
ISO
1600
Focal length
12 mm

Photography tips

How this image was taken

To capture the night sky, a wide aperture of f/2 was chosen to let in sufficient light, while ISO 1600 provides the necessary sensitivity. The shutter speed of 10 seconds combined with a 12 mm focal length allows for a sharp depiction of stars without noticeable motion blur.

  • Choose the widest possible aperture to allow for shorter exposure times in low-light conditions.
  • Use a short focal length in the wide-angle range to frame both the sky and the surrounding architecture.
  • Ensure absolute camera stability during the 10-second exposure to prevent any motion blur.