Hi Alex, I enjoy doing the odd astro/night time lapse or vid myself. IR cameras will work but obviously you need to get them first. Some camcorders are remarkably good at this. Depending on the type of your existing camera, you might be able to program it to take n pictures, at your desired time interval and exposure settings. This could be done via your PC/Laptop, a handheld controller that plugs into the camera, or even WiFi on newer models. DSLRs work really well in that respect. If your gear allows this, you could do a series of stills - either just a few that you arrange in sequence with soft transitions in post, or a large number or frames arranged in a proper time lapse. The latter will look heaps better, but you (or your pencil) would need to sit perfectly still each time the shutter is open. And considering the hundreds of frames you need even just for a few seconds of footage, you get an idea of the work involved. I am planning to do a similar project, though the subject is very different. I'll let you know how I go.
Cheers
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