One example of the final images of P/2010 C1 (Scotti) in the R filter, obtained after co-adding of single frames taken at similar airmass (co-adding of 4 individual frames, for a total exposure time of 1200 s. Median airmass 1.135). The linear scale is 1.5 × 10⁵ km × 8.5 × 10⁴ km. The dashed line is the projected comet’s trajectory. The comet-Sun vector is also indicated. N is up, E is to the left.