Obs. : 2022-07-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.950e+08
Venus      7.755e+08
Earth      8.570e+08
Mars       8.266e+08
Jupiter    8.290e+08
Saturn     8.587e+08
Uranus     8.127e+08
Neptune    8.438e+08
Pluto      8.570e+08