Obs. : 2024-01-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.766e+08
Venus      9.771e+08
Earth      9.039e+08
Mars       9.676e+08
Jupiter    8.616e+08
Saturn     8.716e+08
Uranus     8.835e+08
Neptune    8.540e+08
Pluto      9.491e+08