2010. december 3., péntek

Spotlight halos from Mustavaara snowguns 23/24 November 2010

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The moon halos disappeared as the cloud got thicker and I headed back to Joensuu. The wind was even stronger now, with snowdrift and snowdevils on the road and snow dropping off the trees. On the way at the quarry, however, there was a swarm and I took there some photos with positive and negative lamp elevation. Nothing special, but the photos show nicely the effect of varying crystal tilts on halos. Eventually the swarm died off and moon was shining again surrounded by 22° halo in high clouds.

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