What are all the dots in the image at the top of this page? They are either stars in our own galaxy, other galaxies, or a special type of galaxy called a quasar which hosts an active supermassive blackhole at its centre. By eye this is hard, and impossible to do for millions of source, so can we use machine learning to automatically classify them?

The published paper: https://arxiv.org/pdf/1909.10963.pdf

The code on Github: https://github.com/informationcake/SDSS-ML

The data on Zenodo: https://www.doi.org/10.5281/zenodo.3459293

Our poster below summarises the results