Obs. : 2023-01-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.088e+08
Venus      9.386e+08
Earth      8.490e+08
Mars       8.855e+08
Jupiter    9.306e+08
Saturn     9.386e+08
Uranus     9.117e+08
Neptune    9.306e+08
Pluto      9.232e+08