Obs. : 2016-09-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.908e+11
Venus      3.923e+11
Earth      3.843e+11
Mars       3.905e+11
Jupiter    3.875e+11
Saturn     3.926e+11
Uranus     3.843e+11
Neptune    3.776e+11
Pluto      3.825e+11