Obs. : 2024-05-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.805e+08
Venus      9.550e+08
Earth      8.647e+08
Mars       1.028e+09
Jupiter    9.550e+08
Saturn     1.008e+09
Uranus     9.550e+08
Neptune    1.030e+09
Pluto      9.226e+08