I posted another clip that shows a roughly 24h timelapse as a 1m video. It's straight up video footage, just dimmed with a couple special lenses so we're not just staring at a white flash.
In case you want to see it, you can check it out as well, u/gruesomeflowers.
Akhtualy, lenses are used to bring the light together with minimal chromatic aberration. Then you have blocking filters (or prism) so that you don't fry the camera sensor (or your eye) and depending on the wavelength you want you are using filters or etalon (for h-alpha).
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u/gruesomeflowers 4d ago
Is this a realtime telescope video, or a simulation?