{
  "bibcode": "2006GCN..5241....1C",
  "body": "M.Cwiok, W.Dominik, G.Kasprowicz, K.Malek, L.Mankiewicz, M.Molak,\nJ.Mrowca-Ciulacz, K.Nawrocki, L.W.Piotrowski, P. Sitek, M.Sokolowski,\nJ.Uzycki, G.Wrochna, on behalf of \"Pi of the Sky\" collaboration\n\n\"Pi of the Sky\" apparatus located at Las Campanas Observatory\nhas moved to the Swift-BAT trigger 213823 and it has taken a series\nof 10s exposures starting 124s after the GRB (105s after the alert).\nNo new object has been found within the Swift-BAT error box.\nThe limiting magnitude is 12.5m (unfiltered) for single exposures\nand 13.4m for the sum of 10 images.\nMore information at http://grb.fuw.edu.pl/pi/grb.htm",
  "circularId": 5241,
  "createdOn": 1149687541000,
  "email": "wrochna@fuw.edu.pl",
  "subject": "GRB 060607: optical limit by \"Pi of the Sky\"",
  "submitter": "Grzegorz Wrochna at Soltan Inst.for Nuclear Studies  <wrochna@fuw.edu.pl>",
  "eventId": "GRB 060607"
}