Obs. : 2024-07-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.797e+08
Venus      9.797e+08
Earth      9.488e+08
Mars       9.707e+08
Jupiter    9.927e+08
Saturn     9.405e+08
Uranus     9.707e+08
Neptune    9.396e+08
Pluto      9.617e+08