Obs. : 2022-12-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.577e+08
Venus      8.709e+08
Earth      8.290e+08
Mars       8.257e+08
Jupiter    8.277e+08
Saturn     8.374e+08
Uranus     8.214e+08
Neptune    8.276e+08
Pluto      8.577e+08