Obs. : 2020-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.102e+08
Venus      6.295e+08
Earth      6.229e+08
Mars       6.272e+08
Jupiter    6.163e+08
Saturn     6.164e+08
Uranus     6.279e+08
Neptune    6.173e+08
Pluto      6.164e+08