Ice Crystal Halos

Monthly Archives: October 2011

Helic and Tape arc in Cirrus

Helic and Tape arc in Cirrus

In the afternoon of October 14, I observed a large halo display in Bochum, Germany. It started at 14.25 CET (15.25 CEST) with circumzenithal and supralateral arc. During the following minutes, also the upper tangent arc, a bright Parry arc…
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