Obs. : 2024-01-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.906e+08
Venus      8.747e+08
Earth      8.285e+08
Mars       8.906e+08
Jupiter    8.715e+08
Saturn     9.204e+08
Uranus     8.542e+08
Neptune    9.064e+08
Pluto      9.009e+08