TITLE: GCN CIRCULAR NUMBER: 10893 SUBJECT: GRB 100614A: CrAO optical limit DATE: 10/06/26 19:55:21 GMT FROM: Vasilij Rumjantsev at CrAO D. Shakhovskoy, V. Rumyantsev (CrAO), A. Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration: We observed the field of the Swift GRB 100614A (Stratta et al. GCN 10837) with AZT-11 telescope of CrAO between (UT) June, 15 19:18 -- 20:19. We do not detect any source in enhanced XRT error circle (Osborne et al., GCN 10849). The photometry based on USNO-B1.0 star 1392-0274963 (RA(J2000) = 17:34:02.22 Dec(J2000)= +49:14:58.3 ) assuming R=17.73 is following: T0+ Filter, Exposure, mag. UL (mid, d) (s) 0.9236 R 20x180 > 21.9