| 2025 (5/sep) | Zona UG, Guanajuato (Gto.) | 30 años del DA y 20+1 del Posgrado en Ciencias (Astrofísica) Nota(video) Nota ArmandoArellano N&T |
| 2019 (6 - 8/nov) | Guanajuato | 7th TIGRE workshop |
| 2015 (30/nov - 2/dic) | Guanajuato | 4th TIGRE workshop |
| 2014 (13 - 15/agosto) | Guanajuato | 20.DA.10: Research & Teaching in Astrophysics in Guanajuato más información |
| 2012 (30/jul - 3/ago) | Guanajuato | 2nd Conference of Computational Interdisciplinary Sciences |
| 2005 (16-18/mar) | Guanajuato | XIX CONGRESO NACIONAL DE ASTRONOMÍA |
| 2002 (11-15/nov) | Cancún (QRo.) | IAU Symposium 215: Stellar Rotation |
| 2000 (23 - 29/feb) | Guanajuato | Mapping the Hidden Universe: The Universe Behind the Milky Way - The Universe in HI |
| 1999 (3 - 5/nov) | Guanajuato | XIII CONGRESO NACIONAL DE ASTRONOMÍA |
| 1998 (3 - 8/nov) | IAU Symposium 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies | |
| 1998 (29/jun - 3/jul) | Star Formation in Early-Type Galaxies |