Obs. : 2024-09-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.442e+08
Venus      9.372e+08
Earth      1.048e+09
Mars       1.031e+09
Jupiter    1.056e+09
Saturn     1.048e+09
Uranus     1.081e+09
Neptune    1.066e+09
Pluto      9.786e+08