TITLE: GCN CIRCULAR NUMBER: 11956 SUBJECT: GRB 110328A/Swift J164449.3+573451: Maidanak Optical Observation DATE: 11/04/22 12:27:55 GMT FROM: Myungshin Im at Seoul Nat U Myungshin Im, Yiseul Jeon (CEOU/SNU), Mansur Ibrahimov (UBAI) On 2011 April 12 22:49 (UT), we observed GRB 110328A using SNUCAM on the 1.5m telescope at the Maidanak observatory, Uzbekistan. The optical counterpart is clearly detected at S/N > 10 in the R-band image, without exhibiting no strong flux variability. We thanks the staffs of the Maidanak observatory for carrying out this observation.