Obs. : 2023-01-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.316e+08
Venus      9.794e+08
Earth      9.688e+08
Mars       9.760e+08
Jupiter    9.941e+08
Saturn     9.794e+08
Uranus     9.738e+08
Neptune    9.925e+08
Pluto      9.629e+08