TITLE: GCN CIRCULAR NUMBER: 13889 SUBJECT: Skynet PROMPT/Dolomiti observations of GRB121024A DATE: 12/10/24 05:47:22 GMT FROM: Aaron LaCluyze at U.North Carolina A. LaCluyze, J. Haislip, K. Ivarsen, D. Reichart, J. Moore, H. T. Cromartie, R. Egger, A. Foster, N. Frank, M. Nysewander, A. Oza, E. Speckhard, A.Trotter, and J. A. Crain report: Skynet observed the field of GRB121024A (GCN 13886, Swift trigger #536580) with the PROMPT telescopes located at CTIO in Chile and the 16" Dolomites Astronomical Observatory telescope (DAO) in Italy beginning ~1 minute after the burst trigger. We detect the fading optical source reported by Klotz et al. (GCN #13887) in all observed filters (g',r',i',z' and BRI.) Further observations are ongoing.