Obs. : 2020-09-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.072e+08
Venus      6.342e+08
Earth      6.345e+08
Mars       6.366e+08
Jupiter    6.221e+08
Saturn     6.221e+08
Uranus     6.390e+08
Neptune    6.343e+08
Pluto      6.221e+08