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Play, download and edit the free video Sundogs in Fairfield, Iowa Timelapse video, January 19, 2020.

January 19, 2020:
Timelapse video of Sundogs in Fairfield, Iowa

Sundogs or mock suns, formally called plural parhelia in meteorology, is an atmospheric optical phenomenon that consists of a bright spot to both sides of the Sun. Sundogs often flank the Sun within a 22° halo.

The sundog phenomenon is a member of the family of halos, caused by the refraction of sunlight by ice crystals in the atmosphere. Sundogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun. They can be seen anywhere in the world during any season, but are not always obvious or bright. Sun dogs are best seen and most conspicuous when the Sun is near the horizon.

Sundogs are commonly caused by the refraction and scattering of light from plate-shaped hexagonal ice crystals either suspended in high and cold cirrus or cirrostratus clouds, or drifting in freezing moist air at low levels as diamond dust. The crystals act as prisms, bending the light rays passing through them with a minimum deflection of 22°. As the crystals gently float downwards with their large hexagonal faces almost horizontal, sunlight is refracted horizontally, and sun dogs are seen to the left and right of the Sun. Larger plates wobble more, and thus produce taller sundogs.

It has been suggested that out of Norse mythology and archaic names — Danish: solhunde (sundogs), Swedish: solvarg (sun wolf) — in the Scandinavian languages, constellations of two wolves hunting the Sun and the Moon, one after and one before, may be a possible origin for the term.

Video soundtrack: Excerpts from ‘Celestial Space’ - An album by Werner Elmker featuring chimes, bells and harps.

Werner Elmker is an independent Danish/American video producer, photographer, graphic designer, concert pianist and composer. His video work and photos capturing life in Fairfield, Iowa has attracted numerous individuals and families to move there. In videography, photography and music, Werner Elmker emphasizes the importance of being in tune with the flow of the moment.

Video produced by Werner Elmker Audio-Visual Studio
Official Website - elmker.com
Facebook - facebook.com/elmker
Twitter - twitter.com/wernerelmker
Instagram - instagram.com/wernerelmker
LinkedIn - linkedin.com/in/werner-elmker
YouTube - youtube.com/user/wernerelmker

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