For anybody interested, this site has information on the times that you can see the Space Station, Shuttle and satellites as they pass over your area.
http://spaceflight.nasa.gov/realdata/sightings/
Somebody told me that they had seen the shuttle dock with the space station and had confirmed the time and location afterwards.
No telescopes required, you just need to find out when and when to look.
As far as I can tell, it is the sun reflecting on them which shows up as a glow, rather than seeing the shape of the Shuttle!!!
Still, pretty amazing when you think about it.