Obs. : 2023-01-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.660e+08
Venus      9.945e+08
Earth      9.773e+08
Mars       1.003e+09
Jupiter    9.784e+08
Saturn     9.945e+08
Uranus     9.959e+08
Neptune    9.891e+08
Pluto      9.776e+08