|Ground Halo imaged
by Peter Vancoillie (site), Ghent Belgium on 21st december '07. ©Peter
Vancoillie, shown with permission.
A reminder of winter to come. A light snow/frost layer formed on the already frozen surface of a wildlife reserve pond. The colours are part of a 22° halo and indicate that fairly large ice crystals had grown and were piled randomly on the surface.