Obs. : 2024-08-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.141e+08
Venus      9.141e+08
Earth      9.602e+08
Mars       9.958e+08
Jupiter    9.613e+08
Saturn     9.829e+08
Uranus     1.019e+09
Neptune    1.005e+09
Pluto      8.972e+08