Obs. : 2020-02-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.179e+08
Venus      6.095e+08
Earth      6.139e+08
Mars       6.157e+08
Jupiter    6.202e+08
Saturn     6.226e+08
Uranus     6.050e+08
Neptune    6.179e+08
Pluto      6.226e+08