Obs. : 2023-11-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.047e+08
Venus      8.097e+08
Earth      9.896e+08
Mars       8.533e+08
Jupiter    9.896e+08
Saturn     9.789e+08
Uranus     9.853e+08
Neptune    9.898e+08
Pluto      9.427e+08