Hello I shot Kershuda twice about half an hour between shots ISO-800- 330 secs Exp.First at 11.02pm second 11.34pm. It is around Mag 11.I toggled betwwen the shots in my camera software and in that 30minutes you can pick the Comets Shift against the Star Backgroud.Canon 350D Prime focus 200x800mm Reflecter. Guided on EQ6 mount. Tony It was about 3 degrees west of Gamma Tauri.In Taurus.