Obs. : 2018-09-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.663e+11
Venus      3.607e+11
Earth      3.712e+11
Mars       3.637e+11
Jupiter    3.648e+11
Saturn     3.552e+11
Uranus     3.725e+11
Neptune    3.700e+11
Pluto      3.562e+11