Obs. : 2022-12-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.119e+08
Venus      8.089e+08
Earth      8.421e+08
Mars       8.510e+08
Jupiter    8.213e+08
Saturn     8.222e+08
Uranus     8.287e+08
Neptune    8.213e+08
Pluto      8.171e+08