Photo of the Week for January 17, 2014
You have likely seen what appears to be a partial rainbow on one or both sides of the Sun on occasion. Called sun dogs (or a solar halo if the Sun is totally encircled), they are created when thin ice crystals floating high in the atmosphere on a largely windless day refract sunlight. on slightly hazy nights, observers can also see the same phenomenon near the full Moon.
Richard Jordan recently captured this 1/2,000-second image from near Chatsworth, Ontario, using a Canon 5D Mark II with a 15mm lens operating at f/5 and ISO 100.
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