Obs. : 2023-10-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.127e+08
Venus      9.128e+08
Earth      9.740e+08
Mars       9.253e+08
Jupiter    9.758e+08
Saturn     9.620e+08
Uranus     9.758e+08
Neptune    9.716e+08
Pluto      9.540e+08