The precise workflow step that involves blending multiple sequential long-exposure images to create continuous 'star trails' in post-production is image stacking using the 'Lighten' blending mode. This technique begins with a series of sequential long-exposure images, which are individual photographs of the night sky captured one after another over a continuous period. Each image, for example, might be a 30-second exposure, showing stars as distinct points or very short streaks, and the full sequence could span an hour or more to capture significant stellar movement. In post-production, these i....
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