Obs. : 2023-10-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.105e+08
Venus      9.053e+08
Earth      9.706e+08
Mars       9.281e+08
Jupiter    9.621e+08
Saturn     9.589e+08
Uranus     9.621e+08
Neptune    9.640e+08
Pluto      9.531e+08