%N lmn2sph %F $MIR/src/subs/ephem.for
%D Convert from direction cosines to spherical coordinates.
%P rjs
%: utilities
%B
        subroutine lmn2sph(lmn,ra,dec)

        implicit none
        double precision ra,dec,lmn(3)

  Convert from direction cosines into spherical coordinates
  (e.g. ra,dec or long,lat) into 

  Input:
    lmn        Direction cosines.
  Output:
    ra,dec     Angles in radians.
