Fig. 8
Spitzer IRAC RGB image (red: 8.0 μm, green: 4.5 μm, blue: 3.6 μm) with positions of WISE-identified cYSOs overlaid. Class I sources are marked by red diamonds, Class II in green. The white ellipses represent the clusters discussed in Sect. 4.4, with the yellow circle marking the multiple star HD 92206 that contains the O stars in NGC 3324. The orange circles mark the cYSO clusters discussed in Sect. 4.4.6. The yellow rectangle marks the borders of the analysed region.
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