Obs. : 2022-09-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.704e+08
Venus      8.704e+08
Earth      8.047e+08
Mars       8.773e+08
Jupiter    7.829e+08
Saturn     7.811e+08
Uranus     8.356e+08
Neptune    7.829e+08
Pluto      7.823e+08