Obs. : 2023-11-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.154e+08
Venus      8.883e+08
Earth      8.000e+08
Mars       9.154e+08
Jupiter    8.093e+08
Saturn     7.970e+08
Uranus     8.093e+08
Neptune    7.800e+08
Pluto      8.470e+08