IRAF Image imcat Find Catalog Stars in Image Region imcat is a utility for finding all of the objects from a specified catalog objects in a FITS or IRAF image and listing their sky and image positions. Supported catalogs include the Hubble Space Telescope Guide Star Catalog, U.S. Naval Observatory Catalogs, or user-developed catalogs.
Output is sent to a file called filename .cat and to standard output if the -v flag is set.