Fig. 5

For both the images, the scale of the image is 1.4′, which corresponds to a linear scale of 7.2 × 104 km at the comet. N is down, E to the left. The Sun is 13.5° N of E (PA of the comet: 256.5°). (left) Final coadded image in the B filter for comet 78P/Gehrels 2, obtained on the night of 5 October 2004, with overlayed contour plot. The faintest plotted isophote corresponds to 21.45 B-mag/arcsec2. (right) Final coadded image in the V filter for comet 78P/Gehrels 2, obtained on the night of 5 October 2004, with overlayed contour plot. The faintest plotted isophote corresponds to 21.69 V-mag/arcsec2.
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