Obs. : 2019-10-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.732e+08
Venus      5.732e+08
Earth      5.940e+08
Mars       5.991e+08
Jupiter    5.817e+08
Saturn     5.827e+08
Uranus     5.940e+08
Neptune    5.898e+08
Pluto      5.827e+08