Obs. : 2022-02-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.746e+08
Venus      7.681e+08
Earth      7.359e+08
Mars       7.681e+08
Jupiter    7.738e+08
Saturn     7.764e+08
Uranus     7.452e+08
Neptune    7.641e+08
Pluto      7.681e+08