Obs. : 2023-01-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.223e+08
Venus      9.469e+08
Earth      8.549e+08
Mars       9.115e+08
Jupiter    9.362e+08
Saturn     9.469e+08
Uranus     9.316e+08
Neptune    9.362e+08
Pluto      9.251e+08