Obs. : 2023-02-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.387e+08
Venus      8.910e+08
Earth      8.743e+08
Mars       8.396e+08
Jupiter    8.910e+08
Saturn     9.203e+08
Uranus     8.591e+08
Neptune    9.111e+08
Pluto      9.411e+08