Obs. : 2023-11-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.332e+08
Venus      8.993e+08
Earth      9.146e+08
Mars       8.632e+08
Jupiter    8.896e+08
Saturn     8.539e+08
Uranus     9.146e+08
Neptune    8.653e+08
Pluto      8.371e+08