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Sun Halo 22 + Sun dogs + Parphelic circle (rare optical phenomenon) in Stockholm

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It was good luck to clearly see all these kinds of atmospheric phenomena at the same time 🍀. What is a Sun Halo? A Sun halo is caused by the refraction, reflection, and dispersion of light through ice particles suspended within thin, wispy, high altitude cirrus or cirrostratus clouds. As light passes through these hexagon-shaped ice crystals, it is bent at a 22° angle, creating a circular halo around the Sun. The prism effect of light passing through these six-sided ice crystals also separates the light into its various color frequencies, making the halo look like a very pale rainbow, with red on the inside and blue on the outside. Even fractions of parhelic circles are less common than sun dogs and 22° halos. Sun dogs are commonly caused by the refraction and scattering of light from plate-shaped hexagonal ice crystals. The exact etymology of the Sun dog largely remains a mystery. The Oxford English Dictionary states it as being “of obscure origin“

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