Ice Halo Tracker

Ice Halo Tracker

Automatic all-sky cameras that watch the whole sky for ice halos, every day from sunrise to sunset.

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liveresting at nightofflineunder maintenancedrag to turn · scroll to zoom
night the sun less than 6° below the horizon, before sunrise and after sunset: the cameras still take pictures
Cases Halo displays written up, with their picturesRead the cases → Halo list Which halos were seen, where and on which daysSearch it in your own words → Statistics When the halos come, which ones, and with what weatherSee the charts → Learn about halos How tiny ice crystals make rings, arcs and bright spots in the skyStart here →

The newest cases

All cases →

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Recent halos

local datesThe halo list →

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