moon_illumination¶

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

Calculate fraction of the moon illuminated.

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).

Returns:

k : float

Fraction of moon illuminated