Buonanno, R.R.BuonannoBUZZONI, AlbertoAlbertoBUZZONICorsi, C. E.C. E.CorsiFusi Pecci, F.F.Fusi PecciSandage, A. R.A. R.Sandage2023-02-032023-02-0319860037-8720http://hdl.handle.net/20.500.12386/33149A new color-magnitude diagram for M3 is presented. 10000 stars have been measured down to V = 22 with an internal accuracy better than 0.03 mag to get complete and very accurate samples over well defined areas.STAMPAenArticlehttps://ui.adsabs.harvard.edu/abs/1986MmSAI..57..391B/abstract1986MmSAI..57..391B