Seven image composite of this years firework display.
How it was done
- Open all your image into one Photoshop document, with each image on a separate layer.
- Create a new layer and put in at the bottom of all your layers. Fill your new layer with black.
- Change the blending mode of all your fireworks layers to Lighten
- Adjust the position of each layer if necessary.
- Flatten layers
You could also use the same Photoshop Action that you use for star trails to put together your fireworks shot into one composite image.