TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2661 SUBJECT: GRB 040825A: Optical observations. DATE: 04/08/25 22:05:54 GMT FROM: Javier Gorosabel at LAEFF-INTA, Madrid P. Tristram (Univ. of Canterbury, New Zealand), A. de Ugarte Postigo, J. Gorosabel, A.J. Castro-Tirado, M. Jelinek (IAA-CSIC, Granada, Spain), J.M. Castro Cerón (STScI, Baltimore, USA) Ph. Yock (Univ. of Auckland, New Zealand), report: "We have imaged the entire GRB 040825A error box provided by HETE-2 (trigger # 11553) with the 0.6-m telescope (+MOA camera) at Mt.John Observatory as follows: Date of Aug. Exp.Time Error box Lim. Mag. 2004 UT (s) coverage (%) (3 sigma) --------------------------------------------------- 25.4028-25.4346 4x300 ~75(North) R~21.1 25.5292-25.5426 2x300 ~25(South) R~20.7 --------------------------------------------------- Observations were performed with the MOA broad R-band filter (similar to Ic). Apart from several slow moving sources, visual comparison of the stacked image with the DSS-2 plates revealed no variable source." This message may be cited.