Obs. : 2016-09-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.956e+11
Venus      3.989e+11
Earth      3.883e+11
Mars       4.141e+11
Jupiter    3.948e+11
Saturn     4.133e+11
Uranus     3.920e+11
Neptune    3.964e+11
Pluto      4.134e+11