QPM coronagraph at 10.5 μm. Left panels: WR104, right panels: PSF reference star HD169916. Top panels: classical imaging. Bottom panels: coronograph mode. All images are displayed with a power normalization scale of 0.3. Contours at 2, 5, 10, and 20% of the maximum are represented. The theoretical resolution limit by the Rayleigh criterion of 1.22λ∕Dis also shown as a white circle in the upper left panel.