Obs. : 2014-09-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.221e+11
Venus      4.304e+11
Earth      4.226e+11
Mars       4.089e+11
Jupiter    4.408e+11
Saturn     4.161e+11
Uranus     4.226e+11
Neptune    4.142e+11
Pluto      4.078e+11