Obs. : 2024-01-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.755e+08
Venus      8.765e+08
Earth      8.439e+08
Mars       8.755e+08
Jupiter    9.563e+08
Saturn     9.136e+08
Uranus     9.563e+08
Neptune    9.310e+08
Pluto      8.785e+08