Obs. : 2022-12-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.209e+08
Venus      9.209e+08
Earth      8.122e+08
Mars       7.997e+08
Jupiter    8.525e+08
Saturn     9.021e+08
Uranus     7.979e+08
Neptune    8.525e+08
Pluto      9.209e+08