Frequent contributor Geremy Kornreich sent in this photograph for Picture of the Day, explaining: “A ‘sun dog’ frames this Sikorsky S-43 early in the morning. Sunlight shining through ice crystals in clouds cause this phenomenon, known as a parhelion.”
“The Sikorsky S-43 was a 1930s airliner carrying 18 to 25 passengers and was used, among others, for flights to Cuba by Pan American,” he continues. “This JRS-1 military version is painted in USMC colors.”
He adds the photograph was taken in March 2018 at the Pima Air and Space Museum in Tucson, Arizona.
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