@related: [[Climate]] [[Vision]] [[optic]] [[Astro]]

Seen in Rennes :

  * http://en.wikipedia.org/wiki/Image:22_degree_halo_around_the_moon.jpg


Seen in west of france around december 2007  :

  * http://en.wikipedia.org/wiki/Circumhorizontal_arc
  * http://en.wikipedia.org/wiki/Image:Parhelion_2005_close.jpg
  * http://www.youtube.com/watch?v=KKMTSDzU1Z4
  * http://news.nationalgeographic.com/news/2006/06/060619-rainbow-fire.html
  * http://en.wikipedia.org/wiki/Earthquake_cloud
  * http://en.wikipedia.org/wiki/User_talk:Dehk
  * http://www.youtube.com/watch?v=9U1SZ4awV6E&feature=related