Footprints of the different datasets on a greyscale DSS2 image of M 104. MUSE pointings are shown in cyan squares, each with a field of view of 1′×1′. The red circles indicate the field of view of the FLAMES GIRAFFE instrument, with a diameter of 25′, and the orange rectangles show the field of view of OSIRIS, which spans 7.5′×6′. The full greyscale image is 40′ × 40′ (110 kpc × 110 kpc).