Obs. : 2024-01-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.821e+08
Venus      9.009e+08
Earth      9.369e+08
Mars       8.821e+08
Jupiter    9.032e+08
Saturn     8.828e+08
Uranus     9.110e+08
Neptune    8.951e+08
Pluto      8.668e+08