Tau Canis Majoris Cluster Picture Details: Optics 32-inch Schulman Telescope (RC Optical Systems) Camera SBIG STL11000 CCD Camera Filters Custom Scientific Dates January 26th 2011 Location Mount Lemmon SkyCenter Exposure RGB: 20:20:20 Acquisition ACP Observatory Control Software (DC-3 Dreams),TheSky (Software Bisque), Maxim DL/CCD (Cyanogen) Processing CCDStack (CCDWare), Photoshop CS3 (Adobe) Credit Line and Copyright Adam Block/Mount Lemmon SkyCenter/University of Arizona