Obs. : 2019-11-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.177e+08
Venus      6.324e+08
Earth      6.230e+08
Mars       6.177e+08
Jupiter    6.324e+08
Saturn     6.349e+08
Uranus     6.230e+08
Neptune    6.281e+08
Pluto      6.349e+08