Obs. : 2024-01-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.289e+08
Venus      9.218e+08
Earth      9.426e+08
Mars       9.289e+08
Jupiter    9.734e+08
Saturn     9.475e+08
Uranus     9.929e+08
Neptune    9.468e+08
Pluto      9.348e+08