Obs. : 2019-11-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.843e+08
Venus      5.842e+08
Earth      5.922e+08
Mars       5.589e+08
Jupiter    5.964e+08
Saturn     6.068e+08
Uranus     5.922e+08
Neptune    5.967e+08
Pluto      6.068e+08