Obs. : 2023-09-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.784e+08
Venus      8.738e+08
Earth      9.135e+08
Mars       8.951e+08
Jupiter    9.004e+08
Saturn     9.211e+08
Uranus     9.012e+08
Neptune    9.135e+08
Pluto      9.222e+08