Obs. : 2012-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.624e+11
Venus      4.451e+11
Earth      3.906e+11
Mars       4.418e+11
Jupiter    4.108e+11
Saturn     4.486e+11
Uranus     3.896e+11
Neptune    3.906e+11
Pluto      4.144e+11