Comet Hartley on Oct 14th, 2010, 11:18 UT. It's got more of a tail now. This "star freeze" image was generated from images taken from 8:30 UT to 10:45 UT for the comet. The last background image was taken at 11:18 UT, so the comet's position reflects that time.
TV-85 at F/5.6 (476mm F.L.).
Hutech Canon XS.
22x210 sec @ ISO 1600 for Comet.
4x210 sec @ ISO 1600 for star background.