Obs. : 2023-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.119e+08
Venus      8.812e+08
Earth      8.276e+08
Mars       9.119e+08
Jupiter    8.300e+08
Saturn     8.780e+08
Uranus     8.340e+08
Neptune    8.376e+08
Pluto      9.124e+08