Obs. : 2023-11-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.181e+08
Venus      9.278e+08
Earth      8.441e+08
Mars       9.181e+08
Jupiter    8.643e+08
Saturn     8.089e+08
Uranus     8.774e+08
Neptune    8.131e+08
Pluto      8.258e+08