Zoomed 27′ × 15′ mosaic image obtained with the I band filter on the WFI used to sample Trumpler 14. The circle shows the area of 5′ radius discussed in the text. The dashed and solid polygons show the area covered by the Spitzer and SOFI data, respectively. The location of Trumpler 14 and Collinder 232 are shown together with η Carinae. The gaps between the chips of the WFI mosaic are also visible.