Obs. : 2014-09-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.095e+11
Venus      4.075e+11
Earth      3.943e+11
Mars       4.180e+11
Jupiter    4.059e+11
Saturn     4.175e+11
Uranus     3.916e+11
Neptune    3.947e+11
Pluto      4.151e+11