Obs. : 2020-01-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.106e+08
Venus      6.080e+08
Earth      5.998e+08
Mars       5.876e+08
Jupiter    5.978e+08
Saturn     6.062e+08
Uranus     5.914e+08
Neptune    6.061e+08
Pluto      6.062e+08