Obs. : 2011-09-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.455e+11
Venus      4.455e+11
Earth      4.371e+11
Mars       4.394e+11
Jupiter    4.359e+11
Saturn     4.455e+11
Uranus     4.399e+11
Neptune    4.358e+11
Pluto      4.488e+11