2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220978These lectures review some of the techniques used to analyze the arrival direction distribution of Cosmic Rays, and some relevant results on the field.To appear in the Proceedings of the Third School on Cosmic Rays and Astrophysics, Arequipa, PeruHigh Energy Astrophysical Phenomenatext