Obs. : 2023-01-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.145e+08
Venus      9.407e+08
Earth      8.507e+08
Mars       8.546e+08
Jupiter    9.260e+08
Saturn     9.407e+08
Uranus     8.879e+08
Neptune    9.260e+08
Pluto      9.328e+08