Ursa Major with the Big Dipper Taken with the Canon 5D MkII and 35mm Canon L-series lens at f/4 for stack of 4 x 4 minutes at ISO 800 and 4 x 4 minutes with Kenko Softon filter for star glows. Taken Jan 15, 2010. Reprocessed June 2019.
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.
