Inspired by Kevin's great images, I set up a couple of days ago (19th July) to catch the comet at dusk, and was rewarded with the attached photo as the sky darkened. Unfortunately the comet was rapidly heading towards the trees, so this 15 x 15-seconds has some interference from the trees and in brighter twilight than I'd like, but it shows the innermost degree or so of tail. Definitely the most interesting comet I've imaged yet.
15 x 15 seconds, EOS60D, ISO800, 150mm Newtonian unguided.
A larger version is here.