Obs. : 2024-11-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.276e+08
Venus      9.400e+08
Earth      9.127e+08
Mars       8.706e+08
Jupiter    8.826e+08
Saturn     9.401e+08
Uranus     9.123e+08
Neptune    9.298e+08
Pluto      9.485e+08