Three-color images of N160 with YSO candidates marked. a) Full region in IRAC 3.6 μm (blue) + 8.0 μm (green) + MIPS 24 μm (red). Candidate YSOs are marked as in Fig. 5. Crosses represent sources from W08, GC09, Chen et al. (2010), and Fleener et al. (2010). Large black squares are water masers from Ellingsen et al. (2010) as discussed in text. The three brightest and most active regions are, from north to south NGC 2074, NGC 2080, and N159.