Obs. : 2024-11-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.458e+08
Venus      9.610e+08
Earth      9.263e+08
Mars       8.797e+08
Jupiter    9.002e+08
Saturn     9.574e+08
Uranus     9.280e+08
Neptune    9.476e+08
Pluto      9.705e+08