Overlay showing the pasth of Comet 2P/Encke between the 17th and 20th of August, 2010. The veiw is at 18:41 local (Australian) time. The stars change position as well, setting earlier each successive night.
Tonight (17th) and the 18th, 19th and 20th of August Comet Encke is within a binocular field of Mercury, being closest on the 19th. You will need binoculars and a clear horizon to see it, but it should be worth the effort.
Printable greyscale high resolution view of the comet and Mercury, the circle shows the approximate filed of view of 10x50 binoculars. Use a red light if reading this while huting the comet, and allow your eyes to adjust to the dark