M33, taken Sept.14, 2007 for stack of 4 x 3 minute exposures with 135mm L-series lens at f/2.8 and Canon 20Da camera at ISO 800. Simulates binocular field.
M33, the Triangulum Spiral, a dwarf spiral in the Local Group. This is a 6-image stack of 12-minute exposures with the Canon 7D at ISO 800 on the 130mm Astro-Physics apo refractor at f/6 on AP 600E mount and SBIG SG4 autoguider. Poor seeing bloated star images somewhat.
