Obs. : 2022-05-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.197e+08
Venus      8.735e+08
Earth      8.250e+08
Mars       9.007e+08
Jupiter    9.007e+08
Saturn     8.933e+08
Uranus     8.399e+08
Neptune    9.007e+08
Pluto      8.721e+08