At magnitude 11.7 and in Draco when imaged in June.
Modified Canon EOS 600D,Revelation 300mm f/4 Newtonian 18 x 2-min autoguided exposures at ISO 3200, stacked on the comet in Deep Sky Stacker software (hence the trailed stars).
Post-processed to reduce noise, increase contrast and reduce colour gradients caused by light pollution.
full exif