Obs. : 2023-08-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.843e+08
Venus      8.768e+08
Earth      8.664e+08
Mars       8.788e+08
Jupiter    8.837e+08
Saturn     8.558e+08
Uranus     8.837e+08
Neptune    8.652e+08
Pluto      8.614e+08