Obs. : 2024-05-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.045e+08
Venus      9.287e+08
Earth      9.103e+08
Mars       8.743e+08
Jupiter    9.948e+08
Saturn     8.576e+08
Uranus     9.948e+08
Neptune    8.571e+08
Pluto      8.767e+08