This suspected unknown SNR is located in the optical vicinity of Tycho 8994-4005 (RA 13h14mn44.39s and Dec -63deg34”51.7”) in the region of Centaurus / Crux, close to the Coalsack dark nebula and appears in my images acquired on 9 April 2026 early morning through an OIII filter for a total of 4 hours 10 minutes ( Integration of 25 images of 10 minutes single exposure.)