Stars trail above the dome of the 1.8-metre telescope in this 50-minute exposure.
Date: June 7, 2013
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Canon EF 8-15mm f/4L Fisheye USM
Camera: Canon EOS 5D Mark III
Exposure: 90 light exposures of 30 seconds, f/4, ISO 800