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Casey O'Hara: "Here is a nice display of a halo, with sun dogs on each side, and a gull-wing-shaped tangent arc on the top. The halo is caused by random ice crystals, the other effects are caused by ice crystals aligned in specific directions." Near the Amundsen-Scott South Pole Station, Antarctica.

Credit to read: Photo by Casey O'Hara (PolarTREC 2009/2010), Courtesy of ARCUS

Photographer: Casey O'Hara
Download: 
Image icon Download OHara_IMG_0331.JPG (2.13 MB)
Category: 
Year: 
2009
Program: 
PolarTREC
Region: 
Amundsen-Scott South Pole Station
Topic: 
File Information
Focal Length: 
17mm
File Size: 
2237698
Computed Mime: 
image/jpeg
Max Aperture: 
f/14.0
Height: 
2304
Width: 
3456
Make: 
Canon
Model: 
Canon EOS DIGITAL REBEL XT
Exposure Time: 
1/400s
ISO: 
200

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