I developed a high quality planetarium engine called "Starry Winds for MMD". This is a demo video of it. This video includes instructions of how to use (latter half), so please watch through this video before you use it.
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[ Japanese ] Kagayaki filter is the Twinking Soft Focus and Cross filter for VirtualDub, to enhance emotion of your starry and night footage. It works nicely for starry timelapse, night city and fireworks footage. It is also optimal when you use still-astrophotograpies in your movies. And it can work as general-purpose soft focus filter, not limited to night footages.
Please watch it HD and full-screen.
[ Japanese ] I created a video filter for VirtualDub (free video processing software) called "Afterimage". This generates afterimage effect, a kind of motion blur effect also known as "light trail" effect. Useful for time lapse movies of night skies, especially meteor showers: with this filter, meteors will fade to disappear, instead of being shown only in single frame. It is also possible to generate star trails.
This is a HD movie, so please enable HD mode and view it fullscreen.