Obs. : 2016-09-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.342e+11
Venus      4.320e+11
Earth      4.327e+11
Mars       4.214e+11
Jupiter    4.342e+11
Saturn     4.238e+11
Uranus     4.362e+11
Neptune    4.301e+11
Pluto      4.230e+11