Obs. : 2023-08-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.363e+08
Venus      9.158e+08
Earth      9.268e+08
Mars       9.461e+08
Jupiter    9.405e+08
Saturn     9.268e+08
Uranus     9.409e+08
Neptune    9.304e+08
Pluto      9.211e+08