A faint bridge of matter is visible that appears to connect MCG-4-3-12 to the larger and brighter
ESO 540-23

A: ESO 540-25 SBc, Mag 14.7, 1' X 0.8'
B: ESO 540-24 SBbc, Mag 15.7, 0.75' X 0.52'
C: MCG-4-3-12 Type unknown, Mag 17, size < 0.5'
D: ESO 540-23 SBb, Mag 14.5, 1' X 0.39'