Obs. : 2011-06-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.010e+11
Venus      4.023e+11
Earth      4.106e+11
Mars       4.023e+11
Jupiter    4.176e+11
Saturn     3.793e+11
Uranus     4.170e+11
Neptune    4.148e+11
Pluto      4.106e+11