Obs. : 2011-06-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.155e+11
Venus      4.162e+11
Earth      4.370e+11
Mars       4.162e+11
Jupiter    4.204e+11
Saturn     4.311e+11
Uranus     4.245e+11
Neptune    4.228e+11
Pluto      4.370e+11