Obs. : 2022-12-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.904e+08
Venus      7.870e+08
Earth      8.442e+08
Mars       8.505e+08
Jupiter    8.168e+08
Saturn     8.068e+08
Uranus     8.390e+08
Neptune    8.168e+08
Pluto      7.980e+08