CATALOG /ALTERNATE
Keywords: astro

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CATALOG /ALTERNATE

            This option will open the specified source catalog as a second cata-
        log,  only  accessible  through  the  "/ALTERNATE"  options  of commands
        SOURCE, HORIZON, and CONVERT. For instance, a catalog  containing  cali-
        bration  or  pointing sources may be opened as an Alternate Source cata-
        log, while the objects to study are kept in  the  Current  catalog,  en-
        abling easy switching between the two kinds of objects.