TITLE: GCN CIRCULAR NUMBER: 7270 SUBJECT: GRB080207: RTT150 Optical Observations DATE: 08/02/08 12:21:20 GMT FROM: Irek Khamitov at TUG I. Khamitov (TUG), O. Kose, K.Yakut (Ege Uni.), Z. Eker (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.) I. Bikmaev, N. Sakhibullin (KSU/AST) R. Burenin, M. Pavlinsky, R. Sunyaev (IKI), report: We have observed field of the GRB080207 (trigger=302728, GCN Circ. 7264) with Russian-Turkish 1.5-m telescope (RTT150, Bakirlitepe, TUBITAK National Observatory, Turkey) 07 Feb between 22:04UT and 22:27UT, i.e. starting about 34 min after the burst, using ANDOR CCD. Series of 20*30sec direct images in Rc band were taken. We found no afterglow candidate inside of XRT error circle. Using USNO-B1 stars we estimated limiting magnitude of the co-added frame as R~21.8 mag. The finding chart can be found at: http://hea.iki.rssi.ru/grb/080207/indexeng.html -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.