"NGC 218 and PGC 2726 Picture Details: Optics 32-inch Schulman Telescope (RC Optical Systems) Camera SBIG STX 16803 CCD Camera Filters AstroDon Gen II Dates October 2014 Location Mount Lemmon SkyCenter Exposure LRGB = 8:4:4:4 Hours Acquisition ACP Observatory Control Software (DC-3 Dreams), Maxim DL/CCD (Cyanogen), FlatMan XL (Alnitak) Processing CCDStack, Photoshop, PixInsight Credit Line and Copyright Adam Block/Mount Lemmon SkyCenter/University of Arizona .