Obs. : 2023-11-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.206e+08
Venus      8.635e+08
Earth      7.826e+08
Mars       9.155e+08
Jupiter    7.826e+08
Saturn     8.439e+08
Uranus     7.916e+08
Neptune    7.908e+08
Pluto      8.941e+08