Obs. : 2011-09-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.164e+11
Venus      4.325e+11
Earth      4.194e+11
Mars       4.192e+11
Jupiter    4.070e+11
Saturn     4.334e+11
Uranus     4.074e+11
Neptune    4.194e+11
Pluto      4.286e+11