[3] It is located at the distance of 200.6 megaparsecs (654 million light-years) from Earth, and is possibly a member of the large Shapley Supercluster.

da Costa et al in 1986,[10] and moreover a photometric catalogue by Lauberts and Valentijn in 1989 that made the first angular diameter measurements of the galaxy.

[12] It was additionally included in many other surveys due to its location in the sky in the rich Centaurus region and the wide-scale research of extragalactic objects near the Milky Way plane by the last decade of the 20th century.

[3] In an analysis of the cluster A3571 by H. Quintana and R. de Souza in 1994, ESO 383-76 has been noted to have a very elongated shape with a diffuse halo extending throughout the cluster, suggesting that the galaxy had formed very early during the formation of Abell 3571 and it retains the original imprint of its collapsing cloud.

An estimation of the galaxy's size by the ESO/Uppsala catalogue's broad-band photographic plates in 1989 using the 90% total light definition yield a very large apparent diameter of 555.9 arcseconds (about 9.25 arcminutes; 27% the width of the full moon in the sky), which using the currently accepted distance to the galaxy yield a diameter of 540.9 kiloparsecs (1,800,000 light-years).

[15] In a study in 1994, the halo of the galaxy (defined as the brightness at 2σ above background) has a diameter of about 600 kiloparsecs (2 million light-years).

[3] This massive supercluster hosts many clusters with similar supergiant elliptical galaxies, among them ESO 444-46.