X-ray image of the central ~2 × 2 degrees of the field showing 0.4–2 keV surface brightness on a logarithmic scale. Left panel: original image without subtraction of the multitude of foreground, background and Coma-related sources. Right panel: map of the diffuse emission obtained after modeling and subtraction of the confidently detected point-like and mildly extended sources using the β-profile approximation of the PSF described in Appendix B.