Radiant point of the Perseid meteor shower in Perseus at left, taken on the night of its peak, August 12, 2021, from Dinosaur Provincial Park, Alberta, Canada. A couple of non-Perseid meteors also appear in the scene. Bands of red and green airglow tint the sky. The Pleiades are just rising at bottom, as is Capella in Auriga at lower left. Cassiopeia is above the radiant point. The Andromeda galaxy is at centre.