TITLE: GCN CIRCULAR NUMBER: 5346 SUBJECT: GRB 060719: optical limit by Pi-of-the-Sky DATE: 06/07/19 12:58:45 GMT FROM: Grzegorz Wrochna at Soltan Inst.for Nuclear Studies M.Biskup, M.Cwiok, W.Dominik, J.Falzmann, G.Kasprowicz, A.Majcher, K.Malek, L.Mankiewicz, M.Molak, J.Mrowca-Ciulacz, K.Nawrocki, L.W.Piotrowski, P.Sitek, M.Sokolowski, J.Uzycki, G.Wrochna, on behalf of "Pi of the Sky" collaboration. "Pi of the Sky" apparatus located at Las Campanas Observatory has moved to the Swift-BAT trigger 220020 and it has taken a series of 10s exposures starting 65s after the GRB (43s after the alert). No new object has been found within the Swift-BAT error box. The limiting magnitude is 12.5m (unfiltered) for single exposures and 12.8m for the sum of 20 images. More information at http://grb.fuw.edu.pl/pi/grb.htm