Obs. : 2023-11-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.165e+08
Venus      8.892e+08
Earth      8.891e+08
Mars       8.165e+08
Jupiter    9.006e+08
Saturn     8.746e+08
Uranus     9.028e+08
Neptune    8.784e+08
Pluto      8.546e+08