Obs. : 2023-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.956e+08
Venus      8.891e+08
Earth      9.095e+08
Mars       9.015e+08
Jupiter    8.985e+08
Saturn     9.118e+08
Uranus     8.952e+08
Neptune    9.095e+08
Pluto      9.181e+08