Obs. : 2024-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.609e+08
Venus      8.613e+08
Earth      8.115e+08
Mars       8.457e+08
Jupiter    8.402e+08
Saturn     8.457e+08
Uranus     8.402e+08
Neptune    8.613e+08
Pluto      8.032e+08