IC 239 Picture Details: Optics 32-inch Schulman Telescope (RC Optical Systems), Acquired remotely Camera SBIG STX 16803 CCD Camera Filters AstroDon Gen II Dates August-October 2012 Location Mount Lemmon SkyCenter Exposure LRGB = 450:90:90:90 minutes Acquisition ACP Observatory Control Software (DC-3 Dreams),TheSky (Software Bisque), Maxim DL/CCD (Cyanogen), FlatMan XL (Alnitak) Processing CCDStack (CCDWare), Photoshop CS5 (Adobe), PixInsight Guest Astronomers: Participants of the November Image Processing Workshop Credit Line and Copyright Adam Block/Mount Lemmon SkyCenter/University of Arizona