Sketch of the environment of TX Psc (see also Sect. 2). In the blue region, interferometric methods found asymmetries in various directions at scales up to the stellar radius. The orange regions show the structures observed by Cruzalèbes et al. (1998), the grey shell indicates the far-IR observations and the green region marks the blob detected in this work. Note the logarithmic scale! A stellar radius of 5 mas was adopted.