TITLE: GCN CIRCULAR NUMBER: 14378 SUBJECT: GRB 130418A: 1.23m I-band observations DATE: 13/04/18 20:53:45 GMT FROM: Javier Gorosabel at IAA-CSIC J. Gorosabel (IAA/CSIC-UPV/EHU), S. Perez-hoyos (UPV/EHU), I. Mendikoa (UPV/EHU), A. Sanchez-Lavega (UPV/EHU), R. Hueso (UPV/EHU), J.F. Rojas (UPV/EHU), A. de Ugarte Postigo (IAA/CSIC-DARK), report on behalf of a larger collaboration: We have observed the field of GRB130418A (de Pasquale et al. 2013; GCN Circ. 14377) with 1.23m CAHA telescope equipped with PLANETCAM. The observations started on 19:31 UT with the I-band filter. The optical afterglow reported by de Pasquale et al. (GCN Circ. 14377) is well detected with an approximate magnitue of I~15.6.