Obs. : 2023-02-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.944e+08
Venus      9.278e+08
Earth      9.287e+08
Mars       9.575e+08
Jupiter    9.334e+08
Saturn     9.226e+08
Uranus     9.303e+08
Neptune    9.278e+08
Pluto      8.944e+08