TITLE: GCN CIRCULAR NUMBER: 14778 SUBJECT: GRB 130605A: Continued Skynet/PROMPT observations DATE: 13/06/06 03:45:50 GMT FROM: Adam S. Trotter at UNC-Chapel Hill/PROMPT/Skynet A. Trotter, A. Lacluyze, D. Reichart, J. Haislip, T. Berger, M. Carroll, H. T. Cromartie, R. Egger, A. Foster, C. Foster, N. Frank, K. Ivarsen, D. James, M. Maples, J. Moore, M. Nysewander, E. Speckhard, P. Taylor and J. A. Crain report Skynet observed the Swift/BAT localization of GRB 130605A (Holland et al., GCN 14773, Swift trigger #557508) with three 16" telescopes of the PROMPT array at CTIO, Chile, starting at 2013-06-05, 23:43:23 UT (t=101s post-trigger), and continuing until t=3h. Exposure lengths range from 10s at early times to 160s at later times. Multiple 160s exposures were stacked at later times to increase sensitivity. We detect a fading afterglow in B, V and I bands at the position reported by Nicuesa Guelbenzu et al. (GCN 14774), at: RA 08:50:08.6 Dec -33:27:40.3 From t=1.7m to t=9m, the afterglow fades with an approximate temporal index alpha~-0.7, after which it steepens to alpha~-1.4. A preliminary light curve is at: http://www.skynet.unc.edu/grb/grb130605a.png Magnitudes are in the Vega system, calibrated to 3 APASS stars in the field, and are not corrected for the expected Milky Way extinction of E(B-V)=1.12 (Schlegel et al. 1998), which, assuming R_V=3.1, corresponds to: band B V I A_lambda 1.57 1.17 0.71 No further Skynet observations are scheduled.