Obs. : 2023-09-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.921e+08
Venus      8.871e+08
Earth      8.986e+08
Mars       8.954e+08
Jupiter    9.237e+08
Saturn     8.826e+08
Uranus     9.237e+08
Neptune    8.986e+08
Pluto      8.791e+08