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Fig. 1


Gray-scale reproductions of the Hα (left and center) and [O iii] (right) images of 2M1931+4324. Gray levels are linear and two different levels are used to show the Hα image. The slits s1 and s2 (S3 and S4) used for intermediate (high) resolution, long-slit spectroscopy are plotted on the [O iii] image (slit width not to scale) in which 2M1931+4324 is also arrowed.

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