Flux image of the GC in the 0.5−8 keV energy range (upper panel). Sgr A* is marked with a black cross. A few brightest filaments reported by Johnson et al. (2009) are marked with small white ellipses and labelled following the names given in the previous detection. The large green ellipse shows the region used for background spectrum extraction (distant background, see Sect. 2.4 for details). The bottom panel shows the flux image of the GC in the energy range of 6.3−7.0 keV, where the iron line is created. The emission presented here is the K_α line emission after subtracting the continuum flux. The flux is presented in asinh scale, since it behaves well for negative count rate values that might originate during the subtraction process.