In order to obtain useful astronomical information from the data, software exists for the analysis of images,
combining of images, estimating of errors, etc. Only a few of the programs are described in any detail here; the
others should be self-explanatory using the HELP and INPUTS files for the tasks listed in Chapter 13. A complete list
of software in for the analysis of images may also be obtained at your terminal by typing ABOUT ANALYSIS
C R.