Obs. : 2026-09-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.608e+08
Venus      7.549e+08
Earth      7.204e+08
Mars       7.711e+08
Jupiter    7.783e+08
Saturn     7.307e+08
Uranus     7.613e+08
Neptune    7.282e+08
Pluto      7.274e+08