As part of the “night photography” presentation, I also showed a couple of fireworks shots… These were also taken last year, literally from our home’s rooftop. They’re from the pyrotechnic display at our village feast. A tripod was used this time, initially spending some time determining the best exposure range to use. In the end I figured that shots of 1-4s duration tended to be best, with the aperture varied to get a correct exposure. It also helped to predict when the explosion was about to happen and open the shutter just before that (with a long enough exposure time to capture a good trajectory).
As in the Cairo shots, all photos taken with my EOS 30D, with 17-40 f/4L lens. No filters were used, and the starburst effect is actually the diffraction pattern of the L-series lens at small aperture.