Obs. : 2023-10-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.107e+08
Venus      8.762e+08
Earth      8.459e+08
Mars       9.107e+08
Jupiter    8.432e+08
Saturn     8.983e+08
Uranus     8.485e+08
Neptune    8.605e+08
Pluto      9.238e+08