Obs. : 2023-09-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.881e+08
Venus      8.842e+08
Earth      8.715e+08
Mars       8.875e+08
Jupiter    8.899e+08
Saturn     8.631e+08
Uranus     8.899e+08
Neptune    8.707e+08
Pluto      8.668e+08