TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3641 SUBJECT: GRB 050716; J-band observations DATE: 05/07/18 15:32:29 GMT FROM: Javier Gorosabel at LAEFF-INTA, Madrid J. Gorosabel, A.J. Castro-Tirado (IAA-CSIC, Granada), R. Lopez (Univ. of Barcelona), G. Andreuzzi (TNG, La Palma), A. de Ugarte Postigo, S. Guziy, M. Jelinek (IAA-CSIC, Granada), O. Bogdanov (Nikolaev State Univ.), report: "We have observed the field of GRB 050716 (Rol et al., GCN Circ. 3623) with the 3.5m TNG telescope on June 17.231-17.242 UT in the J-band (Texp = 15 min). The afterglow candidate reported by Tanvir et al. (GCN Circ. 3632) is not detected in our final combined image, which has a 3 sigma limiting magnitude of J~22." This message can be cited.