[RB (Andrew)]

Originally Posted by Striker

Thanks Andrew...fairly happy with it.

Is ISO 800 too high for 50 second exposures night shots.....I am trying to work out why my HDR images are so noisy.

I have used exposures up to 120 min in my HDR city photos Tony, check out these: HDR City shots

I would recommend you open up the lens a little though, I used f/8 or there abouts and also a much lower 200 ISO.
Experiment with these ball park figures and see how you go.