Obs. : 2011-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.781e+11
Venus      4.781e+11
Earth      4.458e+11
Mars       4.928e+11
Jupiter    4.458e+11
Saturn     4.996e+11
Uranus     4.414e+11
Neptune    4.355e+11
Pluto      4.451e+11