Obs. : 2016-08-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.724e+11
Venus      3.724e+11
Earth      3.779e+11
Mars       3.883e+11
Jupiter    3.724e+11
Saturn     3.883e+11
Uranus     3.908e+11
Neptune    3.799e+11
Pluto      3.800e+11