Obs. : 2023-11-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.189e+08
Venus      8.700e+08
Earth      7.852e+08
Mars       9.163e+08
Jupiter    7.918e+08
Saturn     8.106e+08
Uranus     7.918e+08
Neptune    7.760e+08
Pluto      8.676e+08