31. It is named after the sun dogs (, " Weather sun " ) appearing on the upper right part of the painting. 32. The colors of the sun dog finally merge into the white of the parhelic circle ( if the latter is visible ). 33. Relying on a publication from 1620, the sun dogs are said to have appeared first to King Battle of L�tzen in 1632. 34. Sun dogs are an optical phenomenon caused by ice crystals either suspended near the surface during cold weather or in high clouds.35. However, the vision at the Battle of the Milvian Bridge has been also been considered as a phenomenon called a sun dog . 36. His shorter fiction from 1971 to 1991 was collected and published posthumously by Sun Dog Press under the title " Over the Rainbow? 37. His songs have been featured in a number of independent films, including the feature, " Sun Dogs " and award winning film 38 t�moins 38. His achievements as an artist were celebrated in a 2000 book, " Sun Dogs and Eagle Down, The Indian Paintings of Bill Holm ". 39. The article sun dog gives a broader variety of how such things could look . talk ) 22 : 11, 25 October 2010 ( UTC) 40. Two sun dogs , also known as " mock suns ", appear to the left and right of the sun outside of New Ulm, Minnesota, United States.