Obs. : 2023-10-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.185e+08
Venus      8.837e+08
Earth      8.236e+08
Mars       9.185e+08
Jupiter    8.296e+08
Saturn     8.436e+08
Uranus     8.371e+08
Neptune    8.319e+08
Pluto      9.084e+08