Obs. : 2022-05-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.907e+08
Venus      7.777e+08
Earth      8.367e+08
Mars       7.672e+08
Jupiter    7.715e+08
Saturn     7.752e+08
Uranus     7.790e+08
Neptune    7.672e+08
Pluto      7.761e+08