Obs. : 2023-05-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.916e+08
Venus      8.805e+08
Earth      9.098e+08
Mars       8.759e+08
Jupiter    8.948e+08
Saturn     9.014e+08
Uranus     8.863e+08
Neptune    9.069e+08
Pluto      8.898e+08