Obs. : 2011-10-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.642e+11
Venus      4.642e+11
Earth      4.444e+11
Mars       4.876e+11
Jupiter    4.444e+11
Saturn     4.847e+11
Uranus     4.424e+11
Neptune    4.377e+11
Pluto      4.390e+11