A sundog at the lab December 21, 2021 | Ryan Postel A parhelion or sundog appears behind Wilson Hall. Sundogs form when light is refracted because of ice crystals in the sky.
Sundog at the obelisk February 14, 2017 | Jamieson Olsen A sundog appears near the gentle sloping form of “Acqua Alle Funi,” also known as the hyperbolic obelisk.