Obs. : 2024-06-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.433e+08
Venus      9.752e+08
Earth      9.782e+08
Mars       9.411e+08
Jupiter    9.433e+08
Saturn     9.626e+08
Uranus     9.393e+08
Neptune    9.626e+08
Pluto      9.781e+08