# moon_phase_angle¶

astroplan.moon_phase_angle(time, ephemeris=None)[source]

Calculate lunar orbital phase in radians.

Parameters: time : Time Time of observation ephemeris : str, optional Ephemeris to use. If not given, use the one set with solar_system_ephemeris (which is set to ‘builtin’ by default). i : float Phase angle of the moon [radians]