true_longitude#
- sunpy.coordinates.sun.true_longitude(t='now')[source]#
Returns the Sun’s true geometric longitude, referred to the mean equinox of date. No corrections for nutation or aberration are included.
- Parameters:
t (
tuple,list,str,pandas.Timestamp,pandas.Index,pandas.Series,pandas.DatetimeIndex,datetime.datetime,datetime.date,numpy.datetime64,numpy.ndarray,astropy.time.Time) – Time to use in a parse-time-compatible format