Obs. : 2023-11-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.111e+08
Venus      8.262e+08
Earth      9.784e+08
Mars       8.705e+08
Jupiter    9.784e+08
Saturn     9.817e+08
Uranus     9.704e+08
Neptune    9.931e+08
Pluto      9.556e+08