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Optics derivations

  1. May 21, 2006 #1
    i have no idea where to start:

    can someone help me mathematically derive the following?

    -22 degree halo and 46 degree halo



    -sunrise/ sunset

    -silver linings

    -sun pillar

    (graphics would be greatly appreciated)

    if you find any helpful links please cite them here!

    Last edited: May 21, 2006
  2. jcsd
  3. May 21, 2006 #2

    Andrew Mason

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    Check out this http://www.sundog.clara.co.uk/halo/parhelia.htm" [Broken] which has great photos and a fairly good explanation.

    Last edited by a moderator: May 2, 2017
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