Table 5: Equivalent widths (in angstroms) of the emission lines of the five observed narrow emission line galaxies. Errors include a rough determination of the noise and the error in the determination of the continuum, but do not include the error in the subtraction of the sky(+filament in objects #1, #2).
Line Object #1 Object #2 Object #21 Object #22 Object #23
OII3727 $56.3\pm6.1$ $36.2\pm7.3$ $37.1\pm 9.3$ $15.3\pm2.1$ $68.4\pm75.1$
NeIII3869   $13.0\pm3.1$      
H$\beta$ $13.5\pm1.1$ $43.3\pm4.5$ $3.3\pm 0.8$ $6.9\pm1.1$ $3.7\pm1.5$
OIII4959 $11.2\pm1.2$ $62.8\pm6.3$      
OIII5007 $19.2\pm1.7$ $172.3\pm22.1$ $2.6\pm0.5$ $ 2.3\pm 0.9$ $3.5\pm1.5$
OI6300 $11.7\pm2.4$     $17.0\pm 6.1$  
H$\alpha $+NII6548 $81.0\pm21.9$ $160.9\pm26.2$ $15.6\pm0.7$ $25.9\pm 5.4$ $18.5\pm 4.3$
NII6584 $16.2\pm7.3$ $8.8\pm4.6$ $8.4\pm 0.5$ $6.2\pm 3.1$ $1.8\pm 1.8$
SII 6717+6731     $7.3\pm 0.7$    

$\log {\rm\frac{OIII_{5007}}{H\beta }}$		 $0.15\pm0.05$ $0.60\pm0.07$ $-0.10\pm0.13$ $-0.48\pm0.18$ $-0.02\pm0.26$
$\log {\rm\frac{NII_{6584}}{H\alpha }}$ $-0.70\pm0.23$ $-1.26\pm0.24$ $-0.27\pm0.03$ $-0.62\pm0.24$ $-1.01\pm0.45$


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