All good things come in threes: the third image of the lensed quasar PKS 1830−211 S. Muller, S. Jaswanth, C. Horellou and I. Martí-Vidal A&A, 641 (2020) L2 Published online: 01 September 2020 DOI: 10.1051/0004-6361/202038978