Obs. : 2023-09-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.912e+08
Venus      8.995e+08
Earth      9.104e+08
Mars       8.915e+08
Jupiter    9.391e+08
Saturn     8.896e+08
Uranus     9.391e+08
Neptune    9.104e+08
Pluto      8.845e+08