Obs. : 2024-11-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.767e+08
Venus      9.736e+08
Earth      8.369e+08
Mars       8.873e+08
Jupiter    8.578e+08
Saturn     8.672e+08
Uranus     8.520e+08
Neptune    8.483e+08
Pluto      9.521e+08