Obs. : 2024-08-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.009e+09
Venus      1.058e+09
Earth      9.747e+08
Mars       9.761e+08
Jupiter    9.761e+08
Saturn     9.747e+08
Uranus     9.882e+08
Neptune    9.800e+08
Pluto      9.735e+08