Obs. : 2024-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.388e+08
Venus      9.395e+08
Earth      8.965e+08
Mars       9.388e+08
Jupiter    8.371e+08
Saturn     8.904e+08
Uranus     8.399e+08
Neptune    8.727e+08
Pluto      9.328e+08