TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1201 SUBJECT: GRB 011212: optical observation at Oslo (relayed) DATE: 01/12/14 02:25:43 GMT FROM: Taichi Kato at Kyoto U Here is a report of the optical observation of the field of GRB 011212: GRB 011212: optical observation at Oslo O. Trondal, Oslo, Norway, and H. Yamaoka, Kyushu Univ., report on behalf of VSNET-GRB collaboration: "The field of GRB 011212 (=H10001, GCN 1194, 1196) is observed by O. Trondal with 0.25-m F/4.2 telescope and CCD on Dec. 12.813 - 12.924 UT, i.e. 0.64 - 0.75 days after the burst. The image almost coveres the joint HETE/RXTE_ASM error box except a small Decl. > +32o17'00" region. The limiting magnitude of the combined (25 times 5 minutes) image is rmag about 18.5. We detect no afterglow candidate in the error box." Sincerely Yours, Hitoshi Yamaoka, Kyushu Univ., Japan yamaoka@rc.kyushu-u.ac.jp