Obs. : 2024-05-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.316e+08
Venus      9.258e+08
Earth      1.102e+09
Mars       9.354e+08
Jupiter    8.919e+08
Saturn     9.334e+08
Uranus     9.258e+08
Neptune    9.328e+08
Pluto      9.722e+08