Obs. : 2011-09-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.351e+11
Venus      4.315e+11
Earth      4.287e+11
Mars       4.389e+11
Jupiter    4.338e+11
Saturn     4.268e+11
Uranus     4.304e+11
Neptune    4.268e+11
Pluto      4.301e+11