Obs. : 2020-09-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.037e+08
Venus      6.368e+08
Earth      6.348e+08
Mars       6.418e+08
Jupiter    6.170e+08
Saturn     6.170e+08
Uranus     6.418e+08
Neptune    6.326e+08
Pluto      6.170e+08