Obs. : 2023-04-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.005e+08
Venus      8.897e+08
Earth      8.987e+08
Mars       8.797e+08
Jupiter    9.049e+08
Saturn     8.878e+08
Uranus     9.005e+08
Neptune    8.897e+08
Pluto      8.849e+08