2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/737The MONS satellite will have two Star Trackers to sense the spacecraft attitude, and we plan to use them as scientific instruments to perform high-precision photometry of thousands of stars. We briefly describe the current plans for the Star Trackers and their expected capabilities.4 pages, LaTeX, 4 Postscript figures. To appear in Proceedings of the Third MONS Workshop: Science Preparation and Target Selection, edited by T.C.V.S. Teixeira and T.R. Bedding (Aarhus: Aarhus Universitet)Astrophysicstext