Obs. : 2023-04-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.004e+08
Venus      9.009e+08
Earth      9.262e+08
Mars       9.116e+08
Jupiter    9.117e+08
Saturn     9.398e+08
Uranus     9.004e+08
Neptune    9.203e+08
Pluto      9.311e+08