Table 2: Line intensities in the supergiant H II region.
  MMT ( $1\hbox{$.\!\!^{\prime\prime}$ }5\times3\hbox{$.\!\!^{\prime\prime}$ }0$)   BTA( $2\hbox{$^{\prime\prime}$ }\times 2\hbox{$.\!\!^{\prime\prime}$ }8$)
$\lambda_{0}$(Å) Ion F($\lambda$)/F(H$\beta $) I($\lambda$)/I(H$\beta $)   F($\lambda$)/F(H$\beta $) I($\lambda$)/I(H$\beta $)
3727 [O II] 0.380 $\pm$ 0.019 0.402 $\pm$ 0.022   0.379 $\pm$ 0.021 0.407 $\pm$ 0.024
3835 H9 0.052 $\pm$ 0.005 0.082 $\pm$ 0.009   0.050 $\pm$ 0.005 0.078 $\pm$ 0.009
3868 [Ne III] 0.418 $\pm$ 0.021 0.436 $\pm$ 0.024   0.398 $\pm$ 0.023 0.423 $\pm$ 0.026
3889 He I + H8 0.147 $\pm$ 0.011 0.181 $\pm$ 0.015   0.145 $\pm$ 0.012 0.178 $\pm$ 0.016
3967 [Ne III] + H7 0.269 $\pm$ 0.013 0.304 $\pm$ 0.016   0.257 $\pm$ 0.014 0.295 $\pm$ 0.017
4026 He I 0.018 $\pm$ 0.003 0.019 $\pm$ 0.003   0.018 $\pm$ 0.003 0.019 $\pm$ 0.003
4069 [S II] 0.010 $\pm$ 0.003 0.010 $\pm$ 0.003   0.012 $\pm$ 0.003 0.013 $\pm$ 0.003
4101 H$\delta $ 0.230 $\pm$ 0.011 0.260 $\pm$ 0.013   0.221 $\pm$ 0.012 0.255 $\pm$ 0.015
4340 H$\gamma $ 0.466 $\pm$ 0.021 0.490 $\pm$ 0.023   0.449 $\pm$ 0.023 0.480 $\pm$ 0.026
4363 [O III] 0.171 $\pm$ 0.008 0.172 $\pm$ 0.009   0.163 $\pm$ 0.010 0.166 $\pm$ 0.010
4471 He I 0.047 $\pm$ 0.004 0.047 $\pm$ 0.004   0.037 $\pm$ 0.003 0.037 $\pm$ 0.003
4658 [Fe III] 0.004 $\pm$ 0.002 0.004 $\pm$ 0.002   0.003 $\pm$ 0.001 0.003 $\pm$ 0.001
4686 He II 0.019 $\pm$ 0.002 0.019 $\pm$ 0.002   0.019 $\pm$ 0.002 0.019 $\pm$ 0.002
4701 [Fe III] 0.001 $\pm$ 0.001 0.001 $\pm$ 0.001   0.004 $\pm$ 0.002 0.004 $\pm$ 0.002
4713 [Ar IV] + He I 0.023 $\pm$ 0.002 0.023 $\pm$ 0.002   0.022 $\pm$ 0.002 0.022 $\pm$ 0.002
4740 [Ar IV] 0.015 $\pm$ 0.002 0.015 $\pm$ 0.002   0.015 $\pm$ 0.002 0.015 $\pm$ 0.002
4861 H$\beta $ 1.000 $\pm$ 0.045 1.000 $\pm$ 0.047   1.000 $\pm$ 0.058 1.000 $\pm$ 0.059
4907 [Fe IV] 0.006 $\pm$ 0.002 0.006 $\pm$ 0.002   0.007 $\pm$ 0.003 0.007 $\pm$ 0.003
4922 He I 0.012 $\pm$ 0.002 0.011 $\pm$ 0.002   0.014 $\pm$ 0.003 0.013 $\pm$ 0.003
4959 [O III] 2.029 $\pm$ 0.089 1.950 $\pm$ 0.089   1.966 $\pm$ 0.099 1.923 $\pm$ 0.099
4989 [Fe III] 0.005 $\pm$ 0.002 0.005 $\pm$ 0.002   0.007 $\pm$ 0.003 0.006 $\pm$ 0.003
5007 [O III] 6.089 $\pm$ 0.268 5.834 $\pm$ 0.266   5.900 $\pm$ 0.300 5.751 $\pm$ 0.298
5041 [Fe IV] 0.007 $\pm$ 0.002 0.006 $\pm$ 0.002   0.010 $\pm$ 0.003 0.010 $\pm$ 0.003
5047 He I 0.004 $\pm$ 0.002 0.004 $\pm$ 0.002   0.003 $\pm$ 0.003 0.003 $\pm$ 0.003
5158 [Fe II] 0.006 $\pm$ 0.001 0.005 $\pm$ 0.001   0.004 $\pm$ 0.002 0.004 $\pm$ 0.002
5199 [N I] 0.006 $\pm$ 0.002 0.005 $\pm$ 0.002   0.005 $\pm$ 0.002 0.005 $\pm$ 0.002
5271 [Fe III] 0.009 $\pm$ 0.003 0.008 $\pm$ 0.003   0.012 $\pm$ 0.003 0.011 $\pm$ 0.003
5518 [Cl III] 0.004 $\pm$ 0.001 0.004 $\pm$ 0.001   ... ...
5538 [Cl III] 0.003 $\pm$ 0.002 0.003 $\pm$ 0.002   ... ...
5755 [N II] 0.009 $\pm$ 0.003 0.009 $\pm$ 0.002   ... ...
5876 He I 0.140 $\pm$ 0.009 0.127 $\pm$ 0.009   0.140 $\pm$ 0.008 0.130 $\pm$ 0.008
6300 [O I] 0.024 $\pm$ 0.004 0.022 $\pm$ 0.004   0.021 $\pm$ 0.004 0.019 $\pm$ 0.004
6312 [S III] 0.011 $\pm$ 0.004 0.010 $\pm$ 0.004   0.016 $\pm$ 0.004 0.014 $\pm$ 0.003
6364 [O I] 0.008 $\pm$ 0.002 0.007 $\pm$ 0.002   0.006 $\pm$ 0.002 0.005 $\pm$ 0.002
6548 [N II] 0.027 $\pm$ 0.002 0.024 $\pm$ 0.002   0.027 $\pm$ 0.003 0.024 $\pm$ 0.003
6563 H$\alpha $ 3.126 $\pm$ 0.139 2.756 $\pm$ 0.137   3.075 $\pm$ 0.156 2.758 $\pm$ 0.154
6584 [N II] 0.081 $\pm$ 0.012 0.071 $\pm$ 0.011   0.080 $\pm$ 0.011 0.072 $\pm$ 0.010
6678 He I 0.035 $\pm$ 0.003 0.031 $\pm$ 0.003   0.034 $\pm$ 0.003 0.030 $\pm$ 0.003
6717 [S II] 0.043 $\pm$ 0.004 0.038 $\pm$ 0.003   0.046 $\pm$ 0.004 0.041 $\pm$ 0.004
6731 [S II] 0.037 $\pm$ 0.004 0.032 $\pm$ 0.003   0.040 $\pm$ 0.004 0.035 $\pm$ 0.004
7065 He I 0.081 $\pm$ 0.005 0.070 $\pm$ 0.005   ... ...
7136 [Ar III] 0.040 $\pm$ 0.004 0.034 $\pm$ 0.003   ... ...
C(H$\beta $) dex 0.12 $\pm$ 0.06   0.12 $\pm$ 0.07
EW(abs) Å 3.75 $\pm$ 0.41   3.55 $\pm$ 0.42
F(H$\beta $)a 258 $\pm$ 3   313 $\pm$ 9
EW(H$\beta $) Å 230 $\pm$  6   222 $\pm$  9
a In units of 10-16 ergs s-1 cm-2.


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