def apparentsun(jde, ignorenutation=False):
    ''' calculate the apprent place of the Sun.
    Arg:
        jde as jde
    Return:
        geocentric longitude in radians, 0 - 2pi

        '''
    heliolong = vsop(jde)
    geolong = heliolong + PI

    # compensate nutation
    if not ignorenutation:
        geolong += nutation(jde)

    labbr = lightabbr_high(jde)
    geolong += labbr

    return normrad(geolong)
 calculate the apprent place of the Sun.
    Arg:
        jde as jde
    Return:
        geocentric longitude in radians, 0 - 2pi

        
aa.py