Obs. : 2024-01-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.310e+08
Venus      9.282e+08
Earth      9.364e+08
Mars       9.310e+08
Jupiter    9.815e+08
Saturn     9.419e+08
Uranus     9.970e+08
Neptune    9.487e+08
Pluto      9.321e+08