Obs. : 2011-10-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.161e+11
Venus      4.161e+11
Earth      4.247e+11
Mars       4.233e+11
Jupiter    4.301e+11
Saturn     4.161e+11
Uranus     4.247e+11
Neptune    4.215e+11
Pluto      4.301e+11