Compex Ice Halo Display
Taken by Matthew Cook on March 30, 2018 @ Ann Arbor, MI
Click photo for larger image
  Camera Used: Canon Canon EOS 7D
Exposure Time: 1/500
Aperture: Unavailable
ISO: 100
Date Taken: 2018:04:11 21:15:08
 
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Details:
great ice crystal display! Perhaps the third time Ive seen a complete parhelic circle. in addition I see a 22 degree halo, circumscribed halo, parhelia and a weak supralateral arc. Anything else?
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Tangent arcs?
Posted by HDT 2018-04-14 16:48:17
幻日环上特征性的尖顶(cusp)?←幻日(sundogs)?←外接晕圈(Circumscribed Halo)←22度晕(22 degree halo)←太阳高度40-50(Solar altitude)→22度晕(22 degree halo)→外接晕圈(Circumscribed Halo)→幻日(sundogs)?→幻日环上特征性的尖顶(cusp)?;

幻日环(Parhelic Circle)←微弱的上侧晕弧(faint supralateral arc)→幻日环(Parhelic Circle);
Posted by lingduxingxi 2018-04-14 21:52:32
72 thumbs up
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