Obs. : 2023-02-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.207e+08
Venus      9.479e+08
Earth      9.209e+08
Mars       9.659e+08
Jupiter    9.468e+08
Saturn     9.440e+08
Uranus     9.439e+08
Neptune    9.479e+08
Pluto      9.207e+08