TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4510 SUBJECT: GRB 060115: MITSuME optical afterglow candidate DATE: 06/01/15 16:19:24 GMT FROM: Nobuyuki Kawai at Tokyo Tech K. Yanagisawa (OAO/NAOJ), H. Toda, and N. Kawai (Tokyo Tech) report on behalf of the MITSuME collaboration: "We have observed the field of GRB 060115 (Tagliaferri et al. GCN 4509) with the three-color MITSuME 50 cm telescope at Okayama, Japan, starting from 13:14 UT (T_burst + 6 min). In the Rc and Ic band images, we have detected a fading source inside the Swift XRT error circle that is not present in the DSS2-r image. The coordinates of the fading object are: RA(J2000): 03:36:08.4, Dec(J2000): +17:20:43 (error +/- 2 arcsec)"