Was photographing birds this morning when I noticed this Halo with Sundog developing over the river. I changed my focus very quickly 😃 This was a first for me.@BlacksWeather @ottriverkeeper #Sundog #halos #Dec11 pic.twitter.com/qnI7CEfYBD— Harry Foster (@harry_fosters) December 11, 2017
Thanks. No, it is the sun and the effect is called a Solar Halo. The ice crystals responsible for halos are typically suspended in cirrus or cirrostratus clouds high (5–10 km, or 3–6 miles) in the upper troposphere, but in cold weather they can also float near the ground.— Harry Foster (@harry_fosters) December 11, 2017
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