Obs. : 2013-06-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.394e+11
Venus      4.394e+11
Earth      4.352e+11
Mars       4.385e+11
Jupiter    4.392e+11
Saturn     4.556e+11
Uranus     4.388e+11
Neptune    4.233e+11
Pluto      4.352e+11