Todo List

Global ln_get_ecl_prec (struct ln_lnlat_posn *mean_position, double JD, struct ln_lnlat_posn *position)

To be implemented.

Global ln_get_jupiter_pol_sdiam (double JD)

Use Jupitercentric latitude of Earth Pg 390

Global ln_get_lunar_rst (double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)

Improve lunar standard altitude for rst

Global ln_get_lunar_sdiam (double JD)

Use Topocentric distance.

Global ln_get_saturn_magnitude (double JD)

Calculate rings brightness

Global ln_get_saturn_pol_sdiam (double JD)

Use Saturnicentric lat of Earth