Obs. : 2023-07-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.892e+08
Venus      8.866e+08
Earth      9.179e+08
Mars       8.866e+08
Jupiter    8.638e+08
Saturn     9.020e+08
Uranus     8.680e+08
Neptune    8.874e+08
Pluto      9.084e+08