Obs. : 2013-09-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.507e+11
Venus      3.613e+11
Earth      3.807e+11
Mars       3.617e+11
Jupiter    3.711e+11
Saturn     3.613e+11
Uranus     3.727e+11
Neptune    3.788e+11
Pluto      3.948e+11