Obs. : 2024-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.520e+08
Venus      9.918e+08
Earth      9.691e+08
Mars       8.988e+08
Jupiter    9.235e+08
Saturn     1.003e+09
Uranus     9.394e+08
Neptune    9.814e+08
Pluto      1.033e+09