Obs. : 2017-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.080e+11
Venus      3.028e+11
Earth      3.024e+11
Mars       3.028e+11
Jupiter    3.063e+11
Saturn     3.069e+11
Uranus     3.006e+11
Neptune    3.028e+11
Pluto      3.090e+11