This image shows galaxies NGC 5011B (top) and NGC 5011C (bottom galaxy). NGC 5011C is a dwarf galaxy located in the Centaurus A group, while its companion on the sky is in fact an S0 galaxy, located 12 times further away and belonging to the Centaurus cluster of galaxies. The composite image is based on data obtained with the EFOSC2 instrument on the 3.6-meter telescope at the ESO La Silla Observatory in three different wavebands (B, V, and R). The total integration time is 3 minutes.