What is "north light"

North Light (foaled March 1, 2001) is a retired Thoroughbred racehorse, and active sire, bred in Ireland but trained in the United Kingdom. He is best known as the winner of the Epsom Derby in 2004. He currently stands at the Adena Springs Stud in Aurora, Ontario, Canada.

North light is natural light coming from the north (in the Northern Hemisphere). It consists of light which comes from the blue sky rather than directly from the sun. It is preferred and considered ideal by architects. It is also preferred natural light by artists as well. North light has luminous efficacy /lm/W 48, Colour correlated temperature/K 6500 and colour rendering index/R is equal to 94.northern