Another very faint comet, visible as a large, greenish diffuse patch above centre.
Modified Canon EOS 600D,Revelation 300mm Newtonian reflector 17 x 1-minute exposures, ISO 6400, f/4. Frames stacked on the comet in Deep Sky Stacker (hence the trailed stars);
curves adjusted in Canon Digital Photo Professional; noise reduced in Cyberlink PhotoDirector.
full exif