Obs. : 2024-08-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.807e+08
Venus      1.000e+09
Earth      9.527e+08
Mars       9.724e+08
Jupiter    9.724e+08
Saturn     9.527e+08
Uranus     9.783e+08
Neptune    9.574e+08
Pluto      9.979e+08