Obs. : 2023-03-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.129e+08
Venus      9.133e+08
Earth      8.854e+08
Mars       8.607e+08
Jupiter    9.155e+08
Saturn     9.124e+08
Uranus     9.133e+08
Neptune    9.145e+08
Pluto      9.038e+08