TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2806 SUBJECT: GRB041015 : Optical follow-up at Kiso DATE: 04/10/15 16:01:16 GMT FROM: Yuji Urata at RIKEN T. Mizuno, Y. Arai, F. Sato (Tokyo Gakugei Univ), M. Isogai and Y. Urata on behalf on Kiso GRB team report: " We have observed the entire INTEGRAL error circle of GRB041015 (S. Mereghetti et al., GCN 2805) with the Kiso observatory 1.05 Schmidt telescope started at 13:40 UT (0.10255 days after the burst). We obtained six R-band images with 300 sec exposure. The upper limit is about R~21 mag. estimated from several USNO-B1.0 catalogue. Comparison with DSS II red image, we can not find new objects brighter than the limit of DSS image." This message may be cited.