GCN Circular 15969
U.Quadri, L.Strabla and R.Girelli report: We imaged the field of GRB 140311A detected by SWIFT(trigger 591390) with the robotic telescope of (IAU station 565) Bassano Bresciano Observatory, Italy (member of ISSP:Italian Supernovae Search Project) The observations started 1.89 hour after the GRB trigger, with our Newton telescope D=250 mm F/D=5. Weather conditions were good. We co-added 15 exposures of 120 sec each. We did not found any optical counterpart in the error box of the XRTcandidate. (J. L. Racusin (NASA/GSFC) et al, GCN 15944) Start T0+ End T0+ R.Lim 1.89 hour 2.37 hour 18.5 Magnitudes were estimated with the USNO-B1.0 cat. and are not corrected for galactic dust extinction. The message may be cited.