The image above is Neptune (near center) with its moon, Triton, at the 4 o'clock position. Just beyond Triton, just a wee bit further to the right, is a star. I watched Neptune move slowly until Triton occulted the star on September 20th.
Go to http://www.myslooh.com/data/members/1627/1190342291.gif to see an animated GIF I made from combining several images of Neptune's moon, Triton, occulting a star.