Comet Hartley Norm Klekoda/Al Bell Image taken: Oct. 16, 2010 Location: 1 hour north of Grand Rapids, MI Details: Hint of Milky way dust lanes in background. Canon eos Rebel T2i digital. 135 mm lens. 7 frames stacked to reduce noise. 3 min. exposers at ASA6400. Anitmated GIF is 10 frames over a period of a half hour. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.