Obs. : 2020-06-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.408e+08
Venus      6.415e+08
Earth      6.441e+08
Mars       6.165e+08
Jupiter    6.288e+08
Saturn     6.229e+08
Uranus     6.295e+08
Neptune    6.165e+08
Pluto      6.288e+08