Obs. : 2023-08-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.001e+08
Venus      8.728e+08
Earth      8.885e+08
Mars       9.001e+08
Jupiter    8.990e+08
Saturn     8.850e+08
Uranus     8.955e+08
Neptune    8.885e+08
Pluto      8.873e+08