Obs. : 2022-07-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.504e+08
Venus      7.941e+08
Earth      8.127e+08
Mars       7.876e+08
Jupiter    7.988e+08
Saturn     8.127e+08
Uranus     7.805e+08
Neptune    7.984e+08
Pluto      8.243e+08