Obs. : 2023-01-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.769e+08
Venus      9.054e+08
Earth      9.238e+08
Mars       9.494e+08
Jupiter    9.620e+08
Saturn     9.304e+08
Uranus     9.788e+08
Neptune    9.620e+08
Pluto      8.817e+08