The thin, layered Cirrostratus cloud is composed of ice crystals and forms a…

The thin, layered Cirrostratus cloud is composed of ice crystals and forms a…

From sprites and massive light spirals to "shining halo clouds," the photos of light phenomena in this gallery are naturally-occurring or man-made illusions.

From sprites and massive light spirals to "shining halo clouds," the photos of light phenomena in this gallery are naturally-occurring or man-made illusions.

Why I want to go to Finland :) These are sun halos, which are produced by the ice crystals in cirrostratus clouds.

Why I want to go to Finland :) These are sun halos, which are produced by the ice crystals in cirrostratus clouds.

Cirrostratus clouds

Cirrostratus clouds

CIRROCUMULUS with CIRROSTRATUS Photo by Jay Madigan on June 23rd, 2011, Hampton, VA This image is an example of small cell cirrocumulus blending into a thin, high-level cirrostratus cloud deck.

CIRROCUMULUS with CIRROSTRATUS Photo by Jay Madigan on June 23rd, 2011, Hampton, VA This image is an example of small cell cirrocumulus blending into a thin, high-level cirrostratus cloud deck.

Eggemoggin is our tuba player.  His large frame tuba case weighs more than 30 pounds but it may as well be a cirrostratus cloud, since he loves his instrument so much.

Eggemoggin is our tuba player. His large frame tuba case weighs more than 30 pounds but it may as well be a cirrostratus cloud, since he loves his instrument so much.

Moon Dog-- moondog, or mock moon, (scientific name paraselene, plural paraselenae, meaning "beside the moon") is a relatively rare bright circular spot on a lunar halo caused by the refraction of moonlight by hexagonal-plate-shaped ice crystals in cirrus or cirrostratus clouds.

Moon Dog-- moondog, or mock moon, (scientific name paraselene, plural paraselenae, meaning "beside the moon") is a relatively rare bright circular spot on a lunar halo caused by the refraction of moonlight by hexagonal-plate-shaped ice crystals in cirrus or cirrostratus clouds.

Cirrostratus clouds

Cirrostratus clouds

Sun Halo - an optical phenomenon produced by ice crystals creating colored or white arcs and spots in the sky. They are produced by the ice crystals in cirrostratus clouds high in the upper troposphere. Light is reflected and refracted by the ice crystals and may split up into colors because of dispersion. The crystals behave like prisms and mirrors, refracting and reflecting sunlight between their faces, sending shafts of light in particular directions. www.indigodivers.com

Sun Halo - an optical phenomenon produced by ice crystals creating colored or white arcs and spots in the sky. They are produced by the ice crystals in cirrostratus clouds high in the upper troposphere. Light is reflected and refracted by the ice crystals and may split up into colors because of dispersion. The crystals behave like prisms and mirrors, refracting and reflecting sunlight between their faces, sending shafts of light in particular directions. www.indigodivers.com

Lunar Halo   Ring Around the Moon is caused by the refraction, reflection, and dispersion of light through ice particles suspended within thin, wispy, high altitude cirrus or cirrostratus clouds.

Lunar Halo Ring Around the Moon is caused by the refraction, reflection, and dispersion of light through ice particles suspended within thin, wispy, high altitude cirrus or cirrostratus clouds.

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