Obs. : 2023-01-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.416e+08
Venus      9.389e+08
Earth      8.739e+08
Mars       8.181e+08
Jupiter    8.948e+08
Saturn     9.511e+08
Uranus     8.230e+08
Neptune    9.187e+08
Pluto      9.564e+08