Obs. : 2023-08-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.324e+08
Venus      9.345e+08
Earth      9.504e+08
Mars       9.280e+08
Jupiter    9.524e+08
Saturn     9.504e+08
Uranus     9.524e+08
Neptune    9.560e+08
Pluto      9.379e+08