Obs. : 2024-01-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.118e+08
Venus      8.996e+08
Earth      9.515e+08
Mars       9.118e+08
Jupiter    9.260e+08
Saturn     9.218e+08
Uranus     9.434e+08
Neptune    9.173e+08
Pluto      9.124e+08