Obs. : 2011-02-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.106e+11
Venus      4.061e+11
Earth      3.966e+11
Mars       4.106e+11
Jupiter    3.989e+11
Saturn     4.168e+11
Uranus     4.058e+11
Neptune    4.106e+11
Pluto      4.028e+11