Obs. : 2023-11-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.589e+08
Venus      9.246e+08
Earth      8.670e+08
Mars       8.589e+08
Jupiter    8.740e+08
Saturn     8.338e+08
Uranus     8.830e+08
Neptune    8.459e+08
Pluto      8.277e+08