Obs. : 2013-09-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.861e+11
Venus      4.115e+11
Earth      3.890e+11
Mars       3.931e+11
Jupiter    4.012e+11
Saturn     4.217e+11
Uranus     3.869e+11
Neptune    3.885e+11
Pluto      4.121e+11