Big Dipper riding low across northern horizon in autumn - taken with Canon 20Da camera and 15mm lens at f/3.2 for 20 seconds at ISO 800 with quarter Moon providing illumination -- taken Nov 7 2008.
RAO 16-inch dome in moonlight, July 12, 2008.
An aurora curtain and the Big Dipper over a Blackfoot Nation tipi, taken from Elk Island National Park, Sept 2006 during the Dark Sky Preserve declaration ceremony event. This is single short exposure for 25 seconds with the 16mm lens at f/3.5 and Canon 20D at ISO 400.
