Fig. 1.

Finding chart for the 607 stars with photometry in the field of 4.2′ × 4.2′ centred on NGC 3105 (red dots). Yellow squares highlight the stars for which we have obtained spectra with the exception of stars 101 and 406, which fall outside the field of view covered by the photometry. The identification of each star corresponds to the WEBDA numbering for this cluster. The image is one of our V-band frames. North is up and east is right.
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