Spectroscopic Atlas for Amateur Astronomers 164 TABLE 85Red Rectangle Nebula HD44179Telluric O2 6870 ?? Hα 6562.82 Richard Walker 2014/02© Telluric O2 Na l 5889/96 Hβ 4861.33 Hγ 4340.47 Hδ 4101.74 Hε 3970.07 H8 3889.05 H9 3835.38