Obs. : 2014-09-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.049e+11
Venus      4.110e+11
Earth      4.215e+11
Mars       4.097e+11
Jupiter    4.310e+11
Saturn     4.048e+11
Uranus     4.215e+11
Neptune    4.183e+11
Pluto      4.111e+11