GCN Circular 8463
A. Stefanescu, N. Primak, F. Schrey, G. Kanbach, A. Slowikowska, H. Steinle, A. Updike and N. Lewandowski of the OPTIMA-Burst Team report the following: OPTIMA-Burst at the 1.3m Skinakas Observatory, of the University of Crete and the Foundation for Research and Technolgy -- Hellas observed the location of the XRT error-circle of GRB 081102 (GCN Circ 8462, T. N. Ukwatta et al.), starting at 2008-11-02 18:02:23 UT (~18 min after the burst). We did not detect any source inside the XRT error-circle in several co-added short (10-50s) white-light target acquisition frames taken under adverse conditions. Our limit is as follows: t-t_0 (mid-exp) t_exp limit (white light) 1276s 210s 18.5 Observations are ongoing.