Fig. 1.

Left panel: VPHAS+ colour magnitude diagram of Pismis 18 over the entire field of view of FLAMES, marked as small grey filled circles. The targets observed with UVES are marked with red filled squares, while targets observed with GIRAFFE are marked with blue filled circles. High confidence cluster members are indicated with black crosses and the possible binary star with a black filled triangle. Right panel: same, but for Gaia DR2 photometry.
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