Obs. : 2023-09-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.987e+08
Venus      8.910e+08
Earth      8.983e+08
Mars       9.053e+08
Jupiter    8.855e+08
Saturn     9.063e+08
Uranus     8.893e+08
Neptune    8.983e+08
Pluto      9.125e+08