Obs. : 2011-06-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.222e+11
Venus      4.275e+11
Earth      4.140e+11
Mars       4.275e+11
Jupiter    4.262e+11
Saturn     4.328e+11
Uranus     4.112e+11
Neptune    4.021e+11
Pluto      4.190e+11