Obs. : 2022-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.048e+08
Venus      8.448e+08
Earth      7.303e+08
Mars       8.275e+08
Jupiter    8.275e+08
Saturn     7.759e+08
Uranus     8.279e+08
Neptune    8.275e+08
Pluto      7.416e+08