Resolving color differences of comet 41P/Tuttle-Giacobini-Kresák Igor Luk’yanyk, Evgenij Zubko, Gorden Videen, Oleksandra Ivanova and Anton Kochergin A&A, 642 (2020) L5 Published online: 02 October 2020 DOI: 10.1051/0004-6361/202038893