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Very good, David. Now it's just a matter of curiosity. We had talked as a matter of history yesterday. 1773 was the day Messier named M51, and he was kind of, he was making a list of things that weren't comets that were like, hey don't be deceived, this isn't a comet, don't waste your time, nothing to see here, and that became kind of a pretty famous popular list for people in the astronomy community. But he was kind of the first to note the smudge, as he called it, but the reality was it was a pretty awesome galaxy, and at the time nobody really gathered what galaxies were. They were smudges that weren't comets. Anyway, no bother, thanks for sharing, and we'll move on down the list here.