Obs. : 2020-10-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.111e+08
Venus      6.401e+08
Earth      6.390e+08
Mars       6.390e+08
Jupiter    6.328e+08
Saturn     6.328e+08
Uranus     6.381e+08
Neptune    6.364e+08
Pluto      6.328e+08