Obs. : 2024-07-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.478e+08
Venus      9.332e+08
Earth      9.340e+08
Mars       9.065e+08
Jupiter    8.983e+08
Saturn     9.569e+08
Uranus     9.065e+08
Neptune    9.569e+08
Pluto      9.340e+08