Obs. : 2024-09-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.585e+08
Venus      9.281e+08
Earth      1.039e+09
Mars       9.623e+08
Jupiter    9.801e+08
Saturn     1.052e+09
Uranus     9.932e+08
Neptune    1.039e+09
Pluto      1.049e+09