Obs. : 2022-11-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.630e+08
Venus      7.720e+08
Earth      8.464e+08
Mars       8.506e+08
Jupiter    8.378e+08
Saturn     8.285e+08
Uranus     8.519e+08
Neptune    8.378e+08
Pluto      8.090e+08