Obs. : 2026-08-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.238e+08
Venus      7.027e+08
Earth      7.772e+08
Mars       7.733e+08
Jupiter    7.238e+08
Saturn     8.127e+08
Uranus     8.014e+08
Neptune    8.025e+08
Pluto      7.441e+08