Obs. : 2024-05-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.461e+08
Venus      9.478e+08
Earth      1.066e+09
Mars       9.495e+08
Jupiter    9.478e+08
Saturn     9.693e+08
Uranus     9.478e+08
Neptune    9.535e+08
Pluto      1.025e+09