Obs. : 2024-01-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.693e+08
Venus      9.616e+08
Earth      8.885e+08
Mars       9.733e+08
Jupiter    8.488e+08
Saturn     8.910e+08
Uranus     8.563e+08
Neptune    8.806e+08
Pluto      9.487e+08