Obs. : 2019-11-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.802e+08
Venus      5.843e+08
Earth      5.927e+08
Mars       5.617e+08
Jupiter    5.960e+08
Saturn     6.041e+08
Uranus     5.927e+08
Neptune    6.019e+08
Pluto      6.077e+08