2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/2149We report on long-term K band photometry of the galactic microquasar GRS 1915+105 since March 1999. We see variations of more than 1 mag, which are seemingly correlated with variations in X-ray intensity and spectral slope.2 pages, Kluwer style, to appear in Astrophys. Space Sci. Rev, Proc. of 3rd Microquasar workshop, Granada, Sep. 2000, Eds. A.J. Castro-Tirado, J. Greiner, J.M. Paredes; all proceedings contr. available at http://www.aip.de/~jcg/granada.htmlAstrophysicstext