Obs. : 2023-07-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.389e+08
Venus      9.389e+08
Earth      9.447e+08
Mars       9.429e+08
Jupiter    9.539e+08
Saturn     9.447e+08
Uranus     9.389e+08
Neptune    9.598e+08
Pluto      9.249e+08