"NGC 3109 imaged by the Dark Energy Camera using the Víctor M. Blanco 4-meter Telescope at NSF Cerro Tololo Inter-American Observatory (CTIO)."
Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA Image processing: R. Colombari & M. Zamani (NSF NOIRLab), CC BY 4.0, via Wikimedia Commons.