Obs. : 2020-10-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.119e+08
Venus      6.330e+08
Earth      6.332e+08
Mars       6.332e+08
Jupiter    6.294e+08
Saturn     6.294e+08
Uranus     6.320e+08
Neptune    6.293e+08
Pluto      6.294e+08