Enlarged region of the Hydra I cluster on the NW side of the core. This is the residual image obtained by subtracting the 2D model of the light distribution of NGC 3311 and NGC 3309 from the isophote fit (see text for details). The image is 14.06 × 7.81 arcmin² wide. The brightest galaxies in the field are marked. In addition, the dashed black lines indicate the distorted isophotes in the outskirts of HCC092 and HCC012, which might suggest possible ongoing interaction. The dashed blue lines mark the stellar streams of the disrupted dwarf HCC026 identified by (Arnaboldi et al. 2012). The several ripples and arcs are artefacts from the residuals of the overlapping outskirts of NGC 3311 and NGC 3309 with the numerous nearby galaxies, in particular, the bright member NGC 3308.