TITLE: GCN CIRCULAR NUMBER: 21373 SUBJECT: GRB 170728B: position of the TNG optical counterpart DATE: 17/07/29 01:49:24 GMT FROM: Paolo D'Avanzo at INAF-OAB P. D'Avanzo (INAF-OAB), H. Stoev, M. Cecconi (INAF-TNG, V. D'Elia (INAF/OAR & ASI/ASDC) report on behalf of the CIBO collaboration: We report here the position of the optical afterglow candidate of the short GRB 170728B (D’Avanzo et al. GCN Circ. 21372). The source position is: RA (J2000): 15:51:55.47 Dec (J2000): +70:07:21.1 +/- 0.3”. We apologize for the delay in sending this information.