Obs. : 2011-05-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.167e+11
Venus      4.167e+11
Earth      3.932e+11
Mars       4.167e+11
Jupiter    4.195e+11
Saturn     4.112e+11
Uranus     4.177e+11
Neptune    4.050e+11
Pluto      3.922e+11