Messier 83 (M83, NGC 5236) is situated in the constellation of Hydra and is the southernmost galaxy in Messier's catalog.
The star forming nebula NGC 3372 has produced the very conspicuous peculiar star Eta Carinae, which is among the most massive and luminous stars in our Milky Way.
Messier 61 (M61, NGC 4303) is a spiral galaxy in the southern part of the Virgo Galaxy Cluster
NGC5128 is a type E0 peculiar elliptical galaxy in the constellation Centaurus. This galaxy is one of the most luminous and massive galaxies known and is a strong source of both radio and X-ray radiation.
