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The light column of the sun

The light pillar is a visual atmospheric phenomenon, an optical effect that represents a vertical strip of light that stretches from the sun during its sunset or sunrise (at night, there are also pillars from the moon, bright planets or from terrestrial sources Sveta). The phenomenon is caused by the reflection of light on the almost horizontal flat faces of hexagonal flat or columnar ice crystals suspended in the air. Flat crystals cause solar columns, if the sun is at a height of 6 degrees above the horizon or behind it, pillared crystals - if the sun is at a height of 20 degrees above the horizon. Crystals tend to occupy a horizontal position when they fall in the air, and the shape of the light column depends on their mutual arrangement. Such crystals are formed in high cirrus clouds, most often in cirrostratus.

Karelia. Ladoga lake. 2018 year.

Camera PENTAX 645 Z and lens HD PENTAX DA 645 28-45mm f / 4.5 ED AW SR.

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Uploaded on March 17, 2018
Taken on February 23, 2018