Obs. : 2023-04-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.110e+08
Venus      9.145e+08
Earth      8.804e+08
Mars       9.036e+08
Jupiter    9.340e+08
Saturn     9.418e+08
Uranus     9.110e+08
Neptune    9.417e+08
Pluto      8.994e+08