https://www.youtube.com/watch?v=C1Kact6QHG0 . I think this is a cool video.
a cool video.
Oh, wow. It certainly is! Am I right in thinking this is two clips Β at different wavelengths then combined into a third clip? H-alpha and something else? I couldn't find any information on the web links but I'm supposed to be painting the hallway right now... π