Ages (in Myr) vs. distances (in pc) for the sample clusters. While most clusters are young (within 30 < t < 300 Myr) and nearby (within 400 < D < 700 pc), we have added a couple of other clusters in order to explore the future applicability to more distant and/or older clusters. Our sample includes also NGC3532 with age t = 400 Myr, Ruprecht98 with age t = 500 Myr, and NGC2437 with distance d = 1521 pc.