Table 1: Line intensities relative to H$\beta $.
$F_{\lambda}$/$F_{\beta}$
$I_{\lambda}$/$I_{\beta}$
Line $\lambda $ Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 10 Reg. 11 Reg. 12
  (Å) 40 $.\!\!^{\prime\prime}$9 36 $.\!\!^{\prime\prime}$4 34 $.\!\!^{\prime\prime}$8 24 $.\!\!^{\prime\prime}$4 16 $.\!\!^{\prime\prime}$8 10 $.\!\!^{\prime\prime}$7 6 $.\!\!^{\prime\prime}$1 3 $.\!\!^{\prime\prime}$1 0 $^{\prime\prime}$ -3 $.\!\!^{\prime\prime}$1 -6 $.\!\!^{\prime\prime}$1 -9 $.\!\!^{\prime\prime}$1
H$\beta $ 4861 1.00c 1.00c 1.00c 1.00c 1.00c 1.00c 1.00a 1.00b 1.00a 1.00a 1.00b 1.00c
    1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
[O III] 4959 - 1.16c - 1.32c 0.74c - 0.97c 0.34a 0.31a 0.28b 0.60c 1.23c
    - 1.13 - 1.29 0.70 - 0.95 0.33 0.30 0.27 0.58 1.14
[O III] 5007 4.46c 3.45c - 3.21c 2.56c - 1.52c 0.96a 0.86a 0.90a 1.55b 3.05c
    4.04 3.35 - 3.15 2.36 - 1.46 0.93 0.83 0.87 1.49 2.76
[N II] 6548 0.99c - - - - - 0.60c 0.47b 0.60a 0.42a 0.37c -
    0.39 - - - - - 0.42 0.35 0.43 0.30 0.26 -
H$\alpha $ 6563 7.20c 3.80c 3.28c 3.41c 6.06c 7.12c 4.02b 3.80a 3.96a 3.97a 4.16b 7.46c
    2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85
[N II] 6583 - - - 1.04c 1.21c - 1.07c 1.24a 1.22a 1.24a 1.19b 1.52c
    - - - 0.86 0.57 - 0.76 0.93 0.87 0.89 0.81 0.57
[S II] 6717 - - - - - - - 0.60a 0.62a 0.71a 1.15b 1.59c
    - - - - - - - 0.44 0.44 0.50 0.77 0.57
[S II] 6731 - - - - - - - 0.38b 1.38a 0.48a 0.68b -
    - - - - - - - 0.28 0.27 0.33 0.45 -
C   1.04 0.17 - 0.03 0.80 - 0.25 0.17 0.22 0.23 0.29 1.08
log $I\beta$   -14.55 -14.98 - -14.63 -14.22 - -14.80 -13.88 -13.48 -13.78 -14.43 -14.05
Note: $F_{\lambda}$ is the observed flux. $I_{\lambda}$ is the reddening corrected flux in units of erg cm-2 s-1. C is the H$\beta $ logarithmic extintion.
Estimated errors: a $\leq$10%, 10% $\leq$ b $\leq$ 20%, 20% $\leq$ c. Distances are given with respect to region 9, being positives towards the
Southeast.


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