Obs. : 2023-12-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.291e+08
Venus      8.309e+08
Earth      7.873e+08
Mars       8.687e+08
Jupiter    7.986e+08
Saturn     9.059e+08
Uranus     7.986e+08
Neptune    8.471e+08
Pluto      9.397e+08