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.Series
,pandas.DatetimeIndex
,datetime.datetime
,datetime.date
,numpy.datetime64
,numpy.ndarray
,astropy.time.Time
) – Time to use in a parse-time-compatible format