TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4849 SUBJECT: GRB 060306: PROMPT Observations DATE: 06/03/06 02:23:56 GMT FROM: Melissa Nysewander at UNC,Chapel Hill M. Nysewander, A. Foster, A. LaCluyze, D. Reichart, J. A. Crain, K. Ivarsen, J. Haislip, J. Kirschbrown, C. MacLeod, and A. Trotter report on behalf of the UNC team of the FUN GRB Collaboration: Skynet observed the localization of GRB 060306 (Angelini et al., GCN 4848) with one of the 16-inch PROMPT telescopes at CTIO beginning 49 sec after the burst (25 sec after notification). No new source is found, to i' > 17.4 mag at 7.5 min after the burst and r' > 16.8 mag at 9.3 min after the burst (3 sigma; calibrated to five USNO-B1.0 and NOMAD stars, respectively, using the transformation equations of Smith et al. 2002.) PROMPT is currently being built and commissioned.