Obs. : 2014-09-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.970e+11
Venus      4.021e+11
Earth      4.169e+11
Mars       4.126e+11
Jupiter    4.249e+11
Saturn     3.967e+11
Uranus     4.169e+11
Neptune    4.195e+11
Pluto      4.172e+11