moon_phase_angle¶
- astroplan.moon_phase_angle(time, ephemeris=None)[source]¶
Calculate lunar orbital phase in radians.
- Parameters
- time
Time
Time of observation
- ephemerisstr, optional
Ephemeris to use. If not given, use the one set with
solar_system_ephemeris
(which is set to ‘builtin’ by default).
- time
- Returns
- ifloat
Phase angle of the moon [radians]