Obs. : 2022-06-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.930e+08
Venus      8.155e+08
Earth      7.861e+08
Mars       8.435e+08
Jupiter    8.412e+08
Saturn     8.142e+08
Uranus     8.155e+08
Neptune    8.337e+08
Pluto      7.975e+08