Obs. : 2023-11-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.478e+08
Venus      8.495e+08
Earth      9.432e+08
Mars       8.478e+08
Jupiter    9.512e+08
Saturn     9.248e+08
Uranus     9.483e+08
Neptune    9.303e+08
Pluto      9.136e+08