Monoceros R2 sources, on the 250 μm flux map (Fig. A.3). The getfilaments map is overlaid as black contours (strictly, these are the filaments detected on the column density map at scales below 72′′). The contours are those from Fig. 3 (H₂ column densities 3 × 10²¹ cm^-2 and 1.5 × 10²² cm^-2). A zoom-in of the region in the red box (the central hub) is shown in Fig. 8. The points are protostars (blue), bound cores (green), and unbound clumps (red); see text for details.