Obs. : 2022-10-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.825e+08
Venus      8.025e+08
Earth      8.147e+08
Mars       7.596e+08
Jupiter    8.256e+08
Saturn     8.693e+08
Uranus     7.958e+08
Neptune    8.256e+08
Pluto      8.764e+08