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by MCinFL
Tue Jan 13, 2009 4:57 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
Replies: 176
Views: 189219

Re: Unusual Light Pillars Over Latvia (2009 January 12)

Simplest solution: Ice pillar crystals are real. The photograph shows all objects, not just light, but poles, trees and columns, converging and then expanding above a certain portion of the photograph. Solution is that the photograph has been put through a fisheye to rectilinear converter (digital) ...