Obs. : 2023-06-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.257e+08
Venus      9.017e+08
Earth      9.110e+08
Mars       9.017e+08
Jupiter    9.373e+08
Saturn     8.922e+08
Uranus     9.358e+08
Neptune    9.162e+08
Pluto      8.922e+08