Obs. : 2026-09-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.744e+08
Venus      7.677e+08
Earth      7.667e+08
Mars       8.091e+08
Jupiter    8.061e+08
Saturn     7.821e+08
Uranus     8.002e+08
Neptune    7.821e+08
Pluto      7.564e+08