Obs. : 2024-04-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.669e+08
Venus      8.346e+08
Earth      8.440e+08
Mars       7.837e+08
Jupiter    8.664e+08
Saturn     7.837e+08
Uranus     8.635e+08
Neptune    8.169e+08
Pluto      7.598e+08