sun_angdist

         calculate the angular separation between the Sun and a
         celestial body

         Astronomy

         sun_angdist,time,ra_obj,dec_obj,angdist, $
                     ra_sun=ra_sun,dec_sun=dec_sun,radians=radians

         time      : Date array in JD.
         ra_obj    : The right ascension of the celestial body in DEGREES.
         dec_obj   : The declination of the celestial body in DEGREES.

         none

         radians   : If this keyword is set, then all output
                     variables are given in Radians rather than Degrees.

         angdist   : The angular distance between the Sun and the
                     celestial body in DEGREES,
                     double precision, same number of  elements as time

         ra_sun
         dec_sun

         none

         none

         none

         Requires the sunpos procedure.

         sun_angdist,time,ra_obj,dec_obj,angdist

         Version 0.0: 1999/12/03: Sara Benlloch

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