Asteroid 2012 DA14 on 15th February 2013

Mark Edwards has attached an ephemeris generated for the centre of Cov, from the site http://ssd.jpl.nasa.gov/horizons.cgi#results for each minute of Feb 15. - see https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxjYXdhc3Ryb3xneDoxMzMwYzNmYTg2ZjM2OTdj

The asteroid doesn't rise until 19:53, and as the asteroid is travelling so rapidly, he's plotted the position every 20 mins between 20:00 and 22:00 on the image below.

Near Earth Asteroid 2012 DA 14 ephemeris
 

There are a couple of charts on the BAA site made for the south of England that look very similar: