Obs. : 2020-08-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.133e+08
Venus      6.439e+08
Earth      6.281e+08
Mars       6.352e+08
Jupiter    6.238e+08
Saturn     6.245e+08
Uranus     6.435e+08
Neptune    6.281e+08
Pluto      6.238e+08