Obs. : 2022-10-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.553e+08
Venus      7.632e+08
Earth      8.950e+08
Mars       8.512e+08
Jupiter    8.950e+08
Saturn     8.935e+08
Uranus     8.870e+08
Neptune    8.983e+08
Pluto      8.827e+08