Obs. : 2022-06-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.051e+08
Venus      8.213e+08
Earth      7.485e+08
Mars       8.247e+08
Jupiter    8.067e+08
Saturn     7.643e+08
Uranus     8.299e+08
Neptune    7.910e+08
Pluto      7.550e+08