Due to its unique evolutionary status, Cassiopeia A (Cas A) is one of the most intensely studied of these supernova remnants. via NASA http://www.nasa.gov/mission_pages/chandra/images/chandra-reveals-the-elementary-nature-of-cassiopeia-a.html
With a high of 41F and a low of 20F. Current temp 21 Current condition Fog. Sunrise at December 12, 2017 at 07:40AM sunset at December 12, 2017 at 05:00PM. Humidity 68%.