Up: Data Analysis Software and Systems . ... SAOImage DS9 is an astronomical imaging and data visualization application. It supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps. ... The latest release of DS9, version 2.2 (October 2002), contains a number of new features, including: . ... Once DS9 is connected to Chandra-Ed, FITS images can be sent back to DS9 for display and further analysis as part of these activities. ...