Photo: Mid-week sundog in Iqaluit

A sundog appears over Iqaluit Jan 20. Sundogs, sometimes called parhelions, occur when sunlight refracts off plate-shaped ice crystals and tend to be most visible when the sun is closest to the horizon, according to www.timeanddate.com. The parts closest to the sun often appear more red in colour and the parts further away often appear blue or green. (PHOTO BY STEVE DUCHARME)