Obs. : 2023-12-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.373e+08
Venus      9.170e+08
Earth      8.160e+08
Mars       9.042e+08
Jupiter    7.919e+08
Saturn     7.752e+08
Uranus     8.063e+08
Neptune    7.734e+08
Pluto      8.070e+08