![False colour image (blue=J, green=H, red=KS) for the massive stellar cluster Masgomas-1. Massive stars with spectral classification are marked with red circles.//LIRIS/ Telescopio William Herschel. False colour image (blue=J, green=H, red=KS) for the massive stellar cluster Masgomas-1. Massive stars with spectral classification are marked with red circles.//LIRIS/ Telescopio William Herschel.](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/resultados97_101.jpg?itok=eJ2CfczY)
Recent near-infrared data have contributed to the discovery of new (obscured) massive stellar clusters and massive stellar populations in previously known clusters in our Galaxy. These discoveries lead us to view the Milky Way as an active star-forming machine. Aims: The main purpose of this work is to determine physically the main parameters (distance, size, total mass and age) of Masgomas-1, the first massive cluster discovered by our systematic search programme. Methods: Using near-infrared ( J, H, and K S) photometry we selected 23 OB-type and five red supergiant candidates for multi
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