Obs. : 2018-08-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.964e+11
Venus      3.936e+11
Earth      3.974e+11
Mars       3.996e+11
Jupiter    3.973e+11
Saturn     3.989e+11
Uranus     4.043e+11
Neptune    3.979e+11
Pluto      3.996e+11