Obs. : 2023-08-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.112e+08
Venus      8.950e+08
Earth      8.941e+08
Mars       9.112e+08
Jupiter    9.194e+08
Saturn     8.967e+08
Uranus     9.194e+08
Neptune    8.941e+08
Pluto      9.096e+08