Obs. : 2024-10-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.916e+08
Venus      1.017e+09
Earth      9.146e+08
Mars       8.872e+08
Jupiter    8.785e+08
Saturn     9.491e+08
Uranus     8.816e+08
Neptune    9.293e+08
Pluto      9.995e+08