{
  "bibcode": "2016GCN.19981....1Q",
  "body": "U.Quadri, L.Strabla and R.Girelli report:\n\nWe imaged the field of GRB 161004A detected by SWIFT(trigger 715084)\nwith the robotic telescope of (IAU station 565) Bassano Bresciano \nObservatory, Italy. Member of: \nAAVSO - American Association of Variable Star Observers.\nISSP - Italian Supernovae Search Project.\nUAI/SSV - Unione Astrofili Italiani/sezione stelle variabili.\n\nThe observations started 4.90 hour after the GRB trigger, at the end of twilight, \nwith our Newton telescope D=250 mm F/D=4.8.\n\nWeather conditions were good.\n\nWe co-added 3 series of 10 exposures of 60 sec each.\n\nStart T0+      End T0+      Vlim\n4.9 hour       5.5 hour        18\n\nWe did not found any optical counterpart in the error box of the XRTcandidate.\nP.A. Evans (U Leicester), S. D. Barthelmy (GSFC), et al.\n\nMagnitudes were estimated with the UCAC4 cat. and \nare not corrected for galactic dust extinction.\n\nReference:\nhttp://www.osservatoriobassano.org/GRB.asp\n\nThe message may be cited.",
  "circularId": 19981,
  "createdOn": 1475608478000,
  "email": "oabb@ulisse.bs.it",
  "subject": "GRB 161004A: Bassano Bresciano Observatory upper limit",
  "submitter": "Ulisse Quadri at Bassano Bresciano Obs  <oabb@ulisse.bs.it>",
  "eventId": "GRB 161004A"
}