Obs. : 2026-09-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.464e+08
Venus      7.419e+08
Earth      7.830e+08
Mars       8.133e+08
Jupiter    8.093e+08
Saturn     8.028e+08
Uranus     8.118e+08
Neptune    8.028e+08
Pluto      7.706e+08