# Functions
PhaseAngle3 computes the phase angle of the Moon given a julian day.
PhaseAngleEcl computes the phase angle of the Moon given ecliptic coordinates.
PhaseAngleEcl2 computes the phase angle of the Moon given ecliptic coordinates.
PhaseAngleEQ computes the phase angle of the Moon given equatorial coordinates.
PhaseAngleEQ2 computes the phase angle of the Moon given equatorial coordinates.