Obs. : 2022-07-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.745e+08
Venus      8.465e+08
Earth      7.599e+08
Mars       7.675e+08
Jupiter    7.612e+08
Saturn     7.599e+08
Uranus     7.766e+08
Neptune    7.545e+08
Pluto      7.791e+08