.help nutc Jun99 "Slalib Package"
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      SUBROUTINE slNUTC (DATE, DPSI, DEPS, EPS0)

     - - - - -
      N U T C
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  Nutation:  longitude & obliquity components and mean
  obliquity - IAU 1980 theory (double precision)

  Given:

     DATE        dp    TDB (loosely ET) as Modified Julian Date
                                            (JD-2400000.5)
  Returned:

     DPSI,DEPS   dp    nutation in longitude,obliquity
     EPS0        dp    mean obliquity

  References:
     Final report of the IAU Working Group on Nutation,
      chairman P.K.Seidelmann, 1980.
     Kaplan,G.H., 1981, USNO circular no. 163, pA3-6.

  P.T.Wallace   Starlink   23 August 1996

  Copyright (C) 1996 Rutherford Appleton Laboratory
  Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.

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