[Radiance-general] Re: Solar Footprint

[Mark Stock]

On Fri, 29 Oct 2004, Mark de la Fuente wrote:
>
> Anyway, I wrote a script and wound up with the following sky.
>
> http://images.ofoto.com/photos887/5/91/16/85/95/0/95851691506_0_ALB.jpg
>
> It is very strange that the suns don't line up like they do on a sun
> chart.  Any idea why this is so?

Do a search for "analemma" (or "analema") and see why what you've 
found is to be expected.

I especially like the image on:
http://vrum.chat.ru/Photo/Astro/analema.htm

Mark