Table 3: Visual Spectrum of Hb 5 (Intensities are normalized to H$\beta =100$; They have been unreddened by each individual observer so as toobtain the correct Balmer decrement for his/her observations; theextinction used by each is not the same).
$\lambda $ Ion Intensities Average
(Å)   Exter Acker Aller Intens.

3425

 [Ne V]     161. 120.
3727 [O II] 76.4   62.3 70.
3869 [Ne III] 78.6 53.8 120. 80.
4068 [S II] 9.44     9.4
4076 [S II] 3.19     3.2
4102 H$\delta$ 25.9   28.9 25.9
4267 C II       $\leq$2.5
4340 H$\gamma$ 46.5 44.1 42.7 46.0
4363 [O III] 26.5 27.9 24.6 26.0
4471 He I 3.69   3.7 3.7
4686 He II 54.5 62.6 65.0 61.0
4711 [Ar IV] 10.1   9.8 10.0
4725 [Ne IV] 2.75   1.2 1.8
4740 [Ar IV]     18.5 18.5
4861 H$\beta $ 100 100 100 100
5007 [O III] 1759.   1888. 1850.
5200 [N I] 8.2   3.66 7.1
5411 He II 4.43   5.06 4.6
5518 [Cl III] 0.96   0.7 0.96
5538 [Cl III] 1.65   1.2 1.65
5722 [Fe VII]     0.95 0.95
5755 [N II] 12.8 10.4 11.3 12.5
5876 He I 11.5 10.7 12.1 11.5
6312 [S III] 3.53   1.8 3.2
6435 [Ar IV] 2.26   3.4 2.4
6563 H$\alpha$ 287 285 281 285
6584 [N II] 744. 318. 379. 700.
6717 [S II] 21.1   5.2 21.1
6731 [S II] 33.4   9.9 33.4
7136 [Ar III] 69.5 35.9   58.
7239 [Ar IV]     0.41 0.55
7325 [O II] 39.2 22.1 19.8 26.
7530 [Cl IV]     0.42 0.55
8046 [Cl IV]     1.2 1.5

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