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tomveiltomveil t1_j7fzd3v wrote on February 6, 2023 at 3:04 PM

Perhaps the Wow! signal would fit your standard? https://earthsky.org/space/wow-signal-explained-comets-antonio-paris/

GiveMeTheFullerenes OP t1_j7fzy0v wrote on February 6, 2023 at 3:08 PM

Albeit fairly well known, this is exactly the type of stuff I’m looking for - extra information on where it came from is new to me, very much appreciated!