This image was shot 5 hours before the closest approach, using a "remote" telescope, the 0.61-meter F/10 Cassegrain of Sierra Stars Observatory (G68) in California.
The CCD image is a 30 second exposure. The fast moving asteroid has tracked a clear bright trail on the image during these 30 seconds. Field center is approximately RA 15h35m57s, dec. +19.441 degrees. Image from 08:32:00 to 08:32:30 UTC (June 27th 2011).