Addional Halo Pictures
This first figure is a simulation using a mix of plate and column crystals. The topmost arc is called the circumzenith arc and is the most colorful of all the halos. Also visible are both the upper and low tangential arcs, the 22 degree halo, and the parhelic circle complete with sundogs. Additionally you see subhorizon halos in the simulation which may be visible if you are flying above the ice crystals
Figure 1:All the most common halos at 10 degree elevation. Image created using HaloSim3 developed by Les Cowley and Michael Schroeder and available at http://www.atoptics.co.uk
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Below is an image of halos at the south pole. Again all the common halos are visible.
Figure 2:From the cover of Atmospheric Halos by Walter Tape
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