Obs. : 2023-07-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.969e+08
Venus      9.166e+08
Earth      8.955e+08
Mars       9.166e+08
Jupiter    9.118e+08
Saturn     9.109e+08
Uranus     9.005e+08
Neptune    9.187e+08
Pluto      8.941e+08