Obs. : 2014-09-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.026e+11
Venus      4.095e+11
Earth      4.218e+11
Mars       4.124e+11
Jupiter    4.313e+11
Saturn     4.048e+11
Uranus     4.218e+11
Neptune    4.217e+11
Pluto      4.155e+11