Obs. : 2015-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.361e+11
Venus      4.372e+11
Earth      4.102e+11
Mars       4.376e+11
Jupiter    4.355e+11
Saturn     4.258e+11
Uranus     4.009e+11
Neptune    4.118e+11
Pluto      4.217e+11