Obs. : 2023-12-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.009e+08
Venus      8.099e+08
Earth      8.151e+08
Mars       8.360e+08
Jupiter    8.432e+08
Saturn     9.339e+08
Uranus     8.254e+08
Neptune    8.936e+08
Pluto      9.241e+08