Obs. : 2023-03-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.150e+08
Venus      9.168e+08
Earth      8.577e+08
Mars       9.051e+08
Jupiter    9.146e+08
Saturn     9.131e+08
Uranus     9.154e+08
Neptune    9.137e+08
Pluto      8.913e+08