GCN Circular 3074
D. Sharapov, M. Ibrahimov, B. Kahharov, R. Karimov, (UBAI), A.Pozanenko (IKI), V.Rumyantsev (CrAO), G.Beskin (SAO) report: We observed error box of Swift trigger 107518 with 1.5m telescope of Mt.Maidanak high-altitude observatory. R-band images (4 x 180 s exposures) were taken between (UT) 21:28 and 21:42 March 5, i.e. 46 minutes after trigger and before ground analysis retraction of the trigger 107518 as GRB. In comparison with DSS2 (red plate) no new source down to R~20 was found in a stacked image within error box. The limiting magnitude of the stacked image is R~22.0. This message may be cited.