Obs. : 2011-10-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.137e+11
Venus      5.137e+11
Earth      4.450e+11
Mars       4.713e+11
Jupiter    4.450e+11
Saturn     5.150e+11
Uranus     4.383e+11
Neptune    4.394e+11
Pluto      4.689e+11