{
  "bibcode": "2003GCN..1926....1P",
  "body": "E. Pavlenko (CrAO), V. Rumyantsev (CrAO), A.Pozanenko (IKI)\n\n\n We have observed the error box of GRB030227 (GCN 1896) in CrAO. Several\nimages were obtained with AT-64 (unfiltered) and AT-38  (R-band) telescopes.\nNo OT was found in place of the source S1-A (GCN 1907, 1910). Using\nphotometry by A. Henden (GCN 1917) we estimate the limiting magnitudes\n(S/N=3) as following\n\n\n Start time (UT)       telescope   exposure    limiting mag.\nFeb 27 16:58:10        AT-38       3x200 s      19.5 (R)\nFeb 27 16:58:24        AT-64       5x120 s      19.2 (~R)\n\n This message may be cited.",
  "circularId": 1926,
  "createdOn": 1046882001000,
  "email": "rum@crao.crimea.ua",
  "subject": "GRB 030227: Optical observations",
  "submitter": "Vasilij Rumjantsev at CrAO  <rum@crao.crimea.ua>",
  "eventId": "GRB 030227"
}