Obs. : 2023-01-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.620e+08
Venus      8.786e+08
Earth      9.037e+08
Mars       9.446e+08
Jupiter    9.385e+08
Saturn     8.984e+08
Uranus     9.657e+08
Neptune    9.385e+08
Pluto      8.611e+08