Obs. : 2023-12-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.210e+08
Venus      8.932e+08
Earth      8.145e+08
Mars       9.227e+08
Jupiter    7.771e+08
Saturn     8.417e+08
Uranus     8.001e+08
Neptune    7.900e+08
Pluto      9.002e+08