Colour composite image of N 66. In red and green channels are K_s- and J-band images obtained with VLT/ISAAC, respectively. The blue channel is a VLT/FORS1 archival Hα image. Indicated in the images are the ISO sources labelled A to H (Rubio et al. 2000; Contursi et al. 2000). Yellow labels C, E, and I indicate the NIR sources of this study. North is up, and east is to the left. The scale-bar in the lower-left corner gives 1 arcmin.