TIL that the catalogue containing the well-known [[Messier objects]] was started because the researcher was actively *not* interested in them, which I find funny.

pull rel="nofollow noopener noreferrer" target="_blank">https://en.m.wikipedia.org/wiki/Messier_object

> Because [[Messier]] was only interested in finding comets, he created a list of those non-comet [[objects]] that frustrated his hunt for them. The compilation of this list, in collaboration with his assistant Pierre Méchain, is known as the [[Messier catalogue]].