TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2148 SUBJECT: GRB 030418: Optical afterglow candidate DATE: 03/04/18 14:09:27 GMT FROM: Paul Price at RSAA, ANU P.A. Price, R. McNaught, G.J. Garradd, M.A. Verrender and T.M. Smith (RSAA, ANU) report: We have observed the error-circle of HETE trigger #2686 (GRB 030418) with the Siding Spring Observatory 40-inch telescope + Direct Imager. Our observations consisted of 5x300 sec exposures in R-band, commencing at April 18.51 UT. We identify in our images a source not present on the DSS2 F or N plates. The source has no apparent proper motion between our images, and is located at: RA: 10:54:33.69 Dec: -7:01:40.8 J2000 with an estimated error of 0.5 arcsec. We estimate that the source was R ~ 18.8 mag at the time of our observations. Further observations are planned. This message may be cited.