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Spectroscopic Atlas for Amateur Astronomers 134
TABLE 73 [S II] 6717/31 Richard Walker 2013/04©
[O I] 6300.2
[N II] 6583.6
Hα 6562.82
[N II] 6548.1
Scale: rest wavelength λ0 Criterion log (IN1+N2 /IHe II (4686))≈ 1.5
Excitation class E10
Seyfert Galaxy M 77 NGC 1068
Classification lines[O III] 5006.84
[O III] 4958.91
Hβ 4861.33
He II 4685.7
Hγ 4340.5
[Ne III] 3967.47
[Ne III] 3868.76
