Halo display 7th of May 2012

Observed phenomena: Halo phenomena
Light source: Sun
Origin: High clouds (cirrostratus)
Observed halo forms:

  • 22° halo
  • Upper tangent arc
  • Lower tangent arc
  • Parhelia
  • Parhelic circle

Date: 7.5.2012
Time: 16:10-16:35
Observing place: Ikaalinen, Finland
Observing method: Photography
Technical information about photographing equipment: Olympus μ 1030 SW

I observed a nice little halo display while working in the Kovero traditional farm in Seitseminen National Park, Finland. This halo display consisted of common halo forms, but it was still fun to watch! The parhelic circle wasn’t visible visually, but it became visible in the photos with unsharp mask.


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