Transforming ordinary time-lapse footage of a night sky into a long exposure star trail effect, Stefan Surmabojov shares a simple trick in After Effects using and image sequence and blend mode, to cleverly add star trails in post.
we are going to take a look at a starlapse video and transform it into an amazing startrails video
This is a really easy technique to create, simply by exporting the video as an image sequence and brining that sequence back into After Effects as staggered frames, you are able to create the light trail effect simply by changing the blend mode of the layers. With some foreground masking as a last minute fix, it is pretty easy to spice up time-lapse with spectacular start-trails. Check out the tutorial for How to Create Star Light Motion Trails here.