Obs. : 2024-05-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.704e+08
Venus      9.590e+08
Earth      8.906e+08
Mars       1.022e+09
Jupiter    9.590e+08
Saturn     1.032e+09
Uranus     9.590e+08
Neptune    1.037e+09
Pluto      9.640e+08