Its story

Eta Col has a visual magnitude of about 3.64: under a reasonably dark sky it is typically reachable with the unaided eye.

Equatorial coordinates for Eta Col: right ascension 5h 59m 9s, declination −42° 48′ 55″ (J2000), in the region of the Columba constellation (IAU figure Col).

Eta Col. It appears in classical and modern catalogs as HIP 28328, HD 40808, Gaia DR3 4803692295174064256. In the SkyKeepsake Columba (Col) browse hub it sits with other stars of the same IAU figure.