TITLE: GCN GRB OBSERVATION REPORT NUMBER: 815 SUBJECT: GRB000911 Optical Observations DATE: 00/09/29 13:17:02 GMT FROM: Holger Pedersen at Copenhagen U Obs H. Pedersen, J. Hjorth, B. L. Jensen (U. of Copenhagen), J. Gorosabel (DSRI, Copenhagen), J. P. U. Fynbo (ESO), T. Abbott (Nordic Optical Telescope), and A. Henden (USRA/USNO) report: "We have obtained a series of R and I-band observations, using the ALFOSC instrument at the Nordic Optical Telescope Date 2000 UT Exp. Seeing FWHM Magnitude Sept 15.097 4 x 420 s R 1.5" >20.50 Sept 15.097 4 x 420 s I 1.2" 21.05 +/- 0.30 The radio/optical candidate (ref. Berger et al., GCN 795; Price et al., GCN 796; see also GCN 798 and 799) is well detected in the I-band sum image. The photometry was done relative to standard stars measured at USNO (cf. GCN 800)."