Obs. : 2023-08-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.154e+08
Venus      8.978e+08
Earth      8.901e+08
Mars       9.154e+08
Jupiter    9.030e+08
Saturn     8.929e+08
Uranus     9.046e+08
Neptune    8.901e+08
Pluto      8.929e+08