How to Find Spectacular Galaxies?

There's no clear scientific definition of what's peculiar. We still have some problems that are a little bit more tricky to solve. The morpholigy of galaxies is not simple. And we actually let the alguratem lead the way for us, and let the algurator find the galaxies that are most different than tha. Most of the population of the galaxies that we have in the data base veryne itso i know from reading the paper that's an unsupervised technique.