TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4253 SUBJECT: GRB 051111a: Afterglow fading in Ic DATE: 05/11/11 07:15:17 GMT FROM: Ken ichi Torii at RIKEN K. Torii (Osaka U.) reports: The error region of GRB 051111a (Sakamoto et al., GCN 4248) was observed by the 0.3 m telescope in the New Mexico Skies Observatory. Starting at 06:05:50 UT (382 s after the burst), 120 s exposures in Ic band was repeated. We confirm the presence of the bright afterglow (Rujopakarn et al., GCN 4247) and its fading. Between 06:07 UT and 06:36 UT, the afterglow faded by about 1.7 mag in Ic band. ===