Obs. : 2024-05-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.624e+08
Venus      1.007e+09
Earth      8.803e+08
Mars       9.204e+08
Jupiter    1.029e+09
Saturn     8.855e+08
Uranus     1.029e+09
Neptune    8.855e+08
Pluto      8.275e+08