Well I caught it tonight at around 9:10pm. Not a very impressive image I'm afraid. Full of dust bunnies - I need to take some new flats.
Taken with the Canon EOS 300D on the C11 with an F6.3 focal reducer. It is a full-frame image shrunk down by a factor of 4. It covers an area of approx 0.5 x 0.75 degrees. The 2 asteroid streaks result from 2 separate periods of 3 minutes each - each of those 3 minutes were subdivided into 30sec subs. For reference, the brightest star in the image is around magnitude 9. The ephemeris gave a magnitude of 11.8 for the asteroid http://forum.orpington-astronomy.org.uk/index.php?topic=2927 (http://forum.orpington-astronomy.org.uk/index.php?topic=2927) (actually it doesn't, but the one I obtained last night form NASA JPL does).
(http://homepage.ntlworld.com/the_shelleys/photos/2007tu24_30jan07.jpg)
Great capture, Mark, to add to your other interesting images.