Obs. : 2020-03-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.430e+08
Venus      6.110e+08
Earth      6.270e+08
Mars       6.329e+08
Jupiter    6.329e+08
Saturn     6.329e+08
Uranus     6.256e+08
Neptune    6.430e+08
Pluto      6.329e+08