Obs. : 2011-11-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.231e+11
Venus      4.231e+11
Earth      4.668e+11
Mars       4.714e+11
Jupiter    4.427e+11
Saturn     4.264e+11
Uranus     4.460e+11
Neptune    4.461e+11
Pluto      4.274e+11