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Fig. A.1

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Our R-image of NGC 1316. The size is 36′  ×  36′. North is up, east to the left. One notes the relatively well-defined outer border. The diameter along the major axis is 24.5′, along the minor axis 21.5′. The intensity levels are displayed logarithmically. Almost all faint structures are already visible on the photographic image of Schweizer (1980) except for the very faint arc that appears as a continuation of the plume reaching out to the NW. The faint larger-scale structures in the upper part are probably flat-field structures. There is scattered light into the camera at the lower right edge, coming from the V = 7.7 mag star HD 20914. The border of the globular cluster system corresponds well to the visible luminous body.

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