Obs. : 2022-09-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.638e+08
Venus      8.631e+08
Earth      7.775e+08
Mars       8.034e+08
Jupiter    7.775e+08
Saturn     7.774e+08
Uranus     7.823e+08
Neptune    7.693e+08
Pluto      7.974e+08