GCN Circular 19650
U.Quadri, L.Strabla and R.Girelli report: We imaged the field of GRB 160703A detected by SWIFT(trigger 702699) with the robotic telescope of (IAU station 565) Bassano Bresciano Observatory, Italy. Member of: AAVSO - American Association of Variable Star Observers. ISSP - Italian Supernovae Search Project. UAI/SSV - Unione Astrofili Italiani/sezione stelle variabili. The observations started 8.31 hour after the GRB trigger, with our Schmidt telescope D=320/400 mm F/D=3.1. Weather conditions were good. We co-added a series of exposures of 120 sec each. Start T0+ End T0+ Vlim 8.31 hour 10.28 hour 19 We did not found any optical counterpart in the error box of the XRTcandidate. (S. B. Cenko (GSFC), V. D'Elia (ASDC), N. Gehrels (NASA/GSFC), et al.) Magnitudes were estimated with the UCAC4 cat. and are not corrected for galactic dust extinction. Reference: http://www.osservatoriobassano.org/GRB.asp The message may be cited.