Photometric Calibrations Package
	    -------------------------------------

    The photometry calibration package contains a set for tasks for converting
from the instrumental magnitude system to the standard photometric system.

    The PHOTCAL directory structure is listed below. The package organization
is by task and/or function.


            |-catalogs----------library of standard photometric catalogs
	    |-debug-------------debugging routines
	    |-doc---------------the package documentation
	    |-evaluate----------routines to evaluate the transformations
	    |-fitparams---------routines to compute the transformations
	    |-io----------------package io routines
|-photcal---|-lib---------------include files
            |-mctable-----------package table routines
	    |-mkcatalog---------routines for typing in catalog files
	    |-mkconfig----------routines for creating the config files
	    |-mkimsets----------routines for creating the image set files
	    |-mkobsfile---------routines for preprocessing ap/daophot output
	    |-parser------------the parser code
	    |-test--------------directory of test data


Lindsey Davis
NOAO IRAF GROUP
August 1991