                      Coordinate calculations
                      -----------------------

The routines in this directory calculate various parameters to do with
cooordinates on the sun and with the sun itself.
 
==========================================================================

As of 17-May-94 the files are:

  
Directory:  /disk2/cds/soft/test/util/coord/
 
ARCMIN2HEL()      - Convert arcmin from sun centre to heliographic coords.
HEL2ARCMIN()      - Compute position relative to sun centre from heliographic.
PB0R()            - To calculate the solar P, B0 angles and the semi-diameter.
SUN_POS           - Calculate solar ephemeris parameters.
                                                       
