Obs. : 2022-05-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.278e+08
Venus      8.281e+08
Earth      9.075e+08
Mars       8.375e+08
Jupiter    8.325e+08
Saturn     8.593e+08
Uranus     8.170e+08
Neptune    8.375e+08
Pluto      8.765e+08