Fig. 8

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Isophote and synchrone map corresponding to BTA image of comet C/2014 N3 in the r-sdss filter. Isophotes are shown as black contours, and from the outermost to the innermost they are 24.5, 24, 23, 22, and 21 mag arcsec−2. Synchrones (in red) point approximately from south to east and (going clockwise) correspond to −1000, −600, −400, −200, 0 (perihelion synchrone, dashed line), +100, +200, and +250 days relative to perihelion. All images shown in this section are in the standard orientation: north is up, east to the left.
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