SO...tonight was interesting! I chose a location to capture 1 hour of exposures. I planned to get a mix of star trails and cars driving by on the road. Just something new. What happened turned out to be more interesting! The police arrived as a "suspicious character" was sitting on a bench in the dark...Me! The police chaps were very friendly, and discovered I was just taking photos. We chatted briefly about photography and such, and apologised for getting in the way of my shots! While in return I apologised for wasting their time. Really I was excited to see what I had captured. Upon flicking through my shots to find the frames, I was astonished to see an apparent 'lighting bolt'! This in fact was a policeman walking over to me with his torch. The scene was lit up a blue/purple colour from the police car lights (2 police cars). One 3 minute shot was removed due to the police car headlights washing out most of the shot as they turned around. This caused the small gap in the start trails...but was worth it for an interesting overall effect I think!