Obs. : 2011-06-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.236e+11
Venus      4.260e+11
Earth      4.254e+11
Mars       4.260e+11
Jupiter    4.246e+11
Saturn     4.376e+11
Uranus     4.134e+11
Neptune    4.091e+11
Pluto      4.309e+11