Distribution of determined cluster parameters (r1 – angular radius of the central part, r2 – total apparent radius, rt – tidal radius, n2 – number of 1σ members within r2, t – age, E(J−Ks) – colour excess, d – distance, Z – height above the Galactic plane): blue (filled histogram) – 231 MWSC open clusters with | b | > 15° from Paper II, red (thick line) – 139 new open clusters from Paper III, black (striped) – 63 newly confirmed open clusters (this paper).
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