Obs. : 2016-09-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.830e+11
Venus      3.940e+11
Earth      3.813e+11
Mars       4.010e+11
Jupiter    3.856e+11
Saturn     4.010e+11
Uranus     3.813e+11
Neptune    3.832e+11
Pluto      3.989e+11