Obs. : 2023-02-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.301e+08
Venus      9.267e+08
Earth      8.799e+08
Mars       9.195e+08
Jupiter    9.323e+08
Saturn     9.325e+08
Uranus     9.306e+08
Neptune    9.267e+08
Pluto      9.276e+08