Obs. : 2014-10-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.988e+11
Venus      4.031e+11
Earth      3.673e+11
Mars       3.988e+11
Jupiter    4.120e+11
Saturn     3.969e+11
Uranus     3.690e+11
Neptune    3.865e+11
Pluto      3.975e+11