M83 is often cited as a close match to how our own Milky Way might appear from afar though it is only half as big, about 40,000 light-years across. The Southern Pinwheel has one other interesting claim to fame: it has had six supernovae in the last 100 years.
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Create AccountI'm a software developer and beginner Astrographer based in the UK. I built the core features of Astrographer for myself as I was learning the hobby and thought they might be useful to others!