\begin{table}%t7 \caption{\label{tab:2}As in Table~\ref{tab:6} for the INT+IDS spectrum of PN4.} %\centering \small \begin{tabular}{@{}lll@{}} \hline \hline Line, $\lambda$ & $\lambda$ Obs. & $F$ (Obs.)\\ \hline {}[Ne~{\sc iii}] 3967.46 & 3967.3 & 20.8 (25) \\ H~$\delta$ 4101.74 & 4101.6 & 22.6 (25) \\ H~$\gamma$ 4340.47 & 4340.6 & 36.0 (10) \\ {}[O~{\sc iii}] 4363.21 & 4364.2 & 18.1 (21) \\ {}[Fe~{\sc ii}] 4373.7 & 4377.1 & 11.7 (26) \\ He~{\sc i} 4471.09 & 4471.9 & 8.5 (29) \\ {}[Fe~{\sc iii}] 4658.10 & 4658.4 & 15.1 (18) \\ {}[Fe~{\sc iii}] 4701.62 & 4701.6 & 11.3 (31) \\ H~$\beta$ 4861.33 & 4861.5 & 100.0 (2) \\ {}[O~{\sc iii}] 4958.91 & 4958.7 & 29.7 (7) \\ {}[O~{\sc iii}] 5006.84 & 5006.9 & 103.0 (2) \\ {}[Fe~{\sc ii}] 5158.81 & 5157.6 & 6.9 (40) \\ {}[Fe~{\sc ii}] 5261.61 & 5262.2 & 5.1 (23) \\ {}[Fe~{\sc iii}] 5270.40 + [Fe~{\sc ii}] 5274.9 & 5270.6 & 22.3 (8) \\ {}[N~{\sc ii}] 5754.64 & 5754.6 & 55.0 (4) \\ He~{\sc i} 5875.64 & 5875.7 & 94.3 (2) \\ {}[O~{\sc i}] 6300.30 & 6300.4 & 65.6 (2) \\ {}[S~{\sc iii}] 6312.10 & 6312.1 & 50.9 (4) \\ {}[O~{\sc i}] 6363.78 & 6363.8 & 21.2 (7) \\ {}[N~{\sc ii}] 6548.03 & 6549.6 & 108.3 (2) \\ H~$\alpha$ 6562.82 & 6563.0 & 5412.9 (0.1) \\ {}[N~{\sc ii}] 6583.41 & 6583.3 & 166.4 (1) \\ He~{\sc i} 6678.15 & 6678.0 & 36.3 (6) \\ {}[S~{\sc ii}] 6716.47 & 6719.2 & 3.7 (70) \\ {}[S~{\sc ii}] 6730.85 & 6730.9 & 3.4 (55) \\ He~{\sc i} 7065.28 & 7065.3 & 106.1 (1) \\ {}[Ar~{\sc iii}] 7135.78 & 7135.8 & 87.0 (2) \\ {}[Fe~{\sc ii}] 7155.14 & 7155.1 & 8.2 (26) \\ C~{\sc ii} 7236.42 & 7235.6 & 8.0 (25) \\ O~{\sc i} 7254.4 & 7254.6 & 8.0 (22) \\ He~{\sc i} 7281.35 & 7281.4 & 10.4 (18) \\ {}[O~{\sc ii}] 7319.4 & 7319.9 & 212.9 (0.9) \\ {}[O~{\sc ii}] 7330.3 & 7330.4 & 165.5 (1) \\ {}[Ni~{\sc ii}] 7377.83 & 7377.5 & 5.9 (30) \\ {}[Ar~{\sc iii}] 7751.10 & 7751.1 & 23.5 (8) \\ P30 8286.43 & 8286.7 & 7.0 (40) \\ P27 8306.11 & 8308.5 & 5.4 (44) \\ P22 8359.00 & 8359.7 & 7.1 (39) \\ P18 8437.96 & 8437.6 & 22.8 (39) \\ O~{\sc i} 8446.48 & 8446.6 & 160.9 (5) \\ P17 8467.25 & 8468.3 & 11.3 (30) \\ P16 8502.48 & 8500.9 & 14.5 (26) \\ P14 8598.39 & 8597.4 & 16.0 (33) \\ {}[Fe~{\sc ii}] 8617 & 8618.0 & 7.9 (51) \\ P13 8665.02 & 8661.5 & 30.2 (29) \\ \hline \end{tabular} \end{table}