Here is a Google Earth .kml file which shows the trajectory of the bolide as supplied by Alan Fitzsimmons of Queen's University Belfast [dl.dropbox.com]. It denotes the 16 seconds of luminous flight, and ranges from an altitude of 91 km down to about 15 kilometers. Vertical lines mark disintegration points.

You can see that its angle of incidence is about 20 degrees, and has a heading of about 282 degrees. So it is coming from slightly south of east (Not northish to southish as initially reported).

Also there is an Horizon Special on BBC2 9pm this sunday evening about this bolide, if any UK residents are interested.

Jonny

The path to good scholarship is paved with imagined patterns. - David M Raup