Obs. : 2023-01-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.909e+08
Venus      8.783e+08
Earth      9.132e+08
Mars       9.524e+08
Jupiter    9.054e+08
Saturn     8.819e+08
Uranus     9.431e+08
Neptune    9.054e+08
Pluto      8.802e+08