Obs. : 2023-12-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.256e+08
Venus      9.313e+08
Earth      9.802e+08
Mars       9.256e+08
Jupiter    9.880e+08
Saturn     9.053e+08
Uranus     9.973e+08
Neptune    9.319e+08
Pluto      9.254e+08