Obs. : 2022-12-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.047e+08
Venus      8.084e+08
Earth      8.400e+08
Mars       8.400e+08
Jupiter    8.179e+08
Saturn     8.096e+08
Uranus     8.274e+08
Neptune    8.177e+08
Pluto      8.023e+08