Obs. : 2024-03-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.808e+08
Venus      9.560e+08
Earth      9.342e+08
Mars       9.532e+08
Jupiter    8.820e+08
Saturn     9.560e+08
Uranus     8.852e+08
Neptune    9.176e+08
Pluto      9.565e+08