Obs. : 2023-10-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.213e+08
Venus      9.444e+08
Earth      8.963e+08
Mars       8.854e+08
Jupiter    8.978e+08
Saturn     8.987e+08
Uranus     9.008e+08
Neptune    8.963e+08
Pluto      9.025e+08