Subset of 20 out of the 52 VLT/FORS2 images taken between February and November 2014, with the R-SPECIAL filter. North is up, east to the left in all images. The date of observation is indicated in each panel. All the images have 40 × 40 pixels in size, which can be converted to physical size at the comet using the spatial resolution values of last column of Table A.1 (see Appendix A).