After a long time of dark and rainy weather in the Netherlands i photographed this wonderful sunrise with a small sunpillar.
Enjoy.
ps. the temperature outside was a freezing -12,5 degree celcius.
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19004.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19008.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19020.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19022.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19029.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19038.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19041.jpg)
(http://i57.photobucket.com/albums/g207/Jurgen01/2009-12-19044.jpg)
It's very nice and interesting, Jurgen ;)
Existe una fuente en internet, por si alguien no lo sabe, con bastante info y de gran rigor sobre este tipo de halos (y otros fenómenos ópticos), que parece ser que son la consecuencia principal de un ambiente cargado de cristalitos de hielo que presenta algunas características especiales. + info:
http://www.atoptics.co.uk/halo/pillar.htm
E igualmente de como se producen en fuentes de luz artificiales:
http://www.atoptics.co.uk/halo/lpil.htm