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15.5.402 nut80

nut80, jdtt, dpsi, deps

[SOFA] Returns the nutation for Julian Date jdtt according to the IAU 1980 model. dpsi and deps are the returned nutation components (in longitude and obliquity) in radians with respect to the ecliptic of date. The output parameters get the same dimensions as jdtt.

See also: Astronomical Coordinate Calculations