Obs. : 2022-10-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.633e+08
Venus      7.686e+08
Earth      8.921e+08
Mars       8.193e+08
Jupiter    8.921e+08
Saturn     9.057e+08
Uranus     8.765e+08
Neptune    8.978e+08
Pluto      8.920e+08