Obs. : 2023-06-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.524e+08
Venus      9.179e+08
Earth      9.482e+08
Mars       9.179e+08
Jupiter    9.714e+08
Saturn     9.220e+08
Uranus     9.710e+08
Neptune    9.441e+08
Pluto      9.254e+08