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Fig. 4

Continuation of Fig. 1. From top to bottom: IRAS 20077−0625, V-band, contours 0.20 (0.18); IRAS 23257+1038, V-band, contours 0.20 (0.31); IRAS 23320+4316, B-band, contours 0.29 (0.29). The images are square, with north to the top and east to the left.
This figure is made of several images, please see below:
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