Obs. : 2023-08-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.067e+08
Venus      8.833e+08
Earth      8.748e+08
Mars       8.964e+08
Jupiter    8.867e+08
Saturn     8.642e+08
Uranus     8.831e+08
Neptune    8.748e+08
Pluto      8.694e+08