Page 157 - spectroscopic-atlas-5_0-english_Neat
P. 157
Spectroscopic Atlas for Amateur Astronomers 157
TABLE 80 Richard Walker 2010/09©
Excitation class E1 [N ll] 6583.6
Hα 6562.82
Criterion IN1+N2 /Hβ ≈ 5 He I 5876
[O lll] 5006.84
[O lll] 4958.91
Hβ 4861.33
Orion Nebula M42 Hγ 4340.47
Classification lines
