GCN Circular 5614
A. Stefanescu, F.Schrey, S. Duscha, G. Kanbach, M. Muehlegger, N. Primak, H. Steinle (MPE Garching) of the OPTIMA-Burst Team report the following: "OPTIMA-Burst at the 1.3m Skinakas Observatory, of the University of Crete, Greece observed the Swift XRT-errorcircle of GRB 060926 (GCN Circ 5612, S.T. Holland et al.) at 17:19UT (36 min after the Burst, mid-exposure). We detected a faint source at the UVOT-Position (GCN Circular #5612). We estimate the brightness of this source in a 10 min R-Band image as 19.5+-.1mag. There is no source at this position in the USNO-A2 Catalog, and no minor planet according to MPChecker."