Outflow from the very massive Wolf-Rayet binary Melnick 34 N. Castro, P. M. Weilbacher, M. M. Roth, P. A. Crowther, A. Monreal-Ibero, J. Brinchmann and G. Micheva A&A, 691 (2024) A346 Published online: 26 November 2024 DOI: 10.1051/0004-6361/202450208