Obs. : 2023-11-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.542e+08
Venus      9.058e+08
Earth      9.527e+08
Mars       8.655e+08
Jupiter    9.283e+08
Saturn     8.866e+08
Uranus     9.527e+08
Neptune    8.997e+08
Pluto      8.683e+08