Obs. : 2023-11-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.926e+08
Venus      9.381e+08
Earth      8.699e+08
Mars       8.926e+08
Jupiter    8.870e+08
Saturn     8.302e+08
Uranus     8.946e+08
Neptune    8.456e+08
Pluto      8.323e+08