Obs. : 2022-07-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.407e+08
Venus      7.981e+08
Earth      8.606e+08
Mars       8.194e+08
Jupiter    8.326e+08
Saturn     8.539e+08
Uranus     8.118e+08
Neptune    8.326e+08
Pluto      8.606e+08