{
  "bibcode": "2005GCN..4182....1L",
  "body": "V. Lipunov, V.Kornilov, D.Kuvshinov, N.Tyurina, A.Belinski, E.Gorbovskoy,\nA.Krylov, G.Borisov, A.Sankovich, G. Antipov, V.Vladimirov\n\nSternberg Astronomical Institute, Moscow Union 'Optic'\nMASTER  robotic system (http://observ.pereplet.ru) responded to\nHETE GRB051028 (GCN 4172) at very nice Moscow weather.\nUnfortunately, the remoute observations was delayted due to manage computer \nproblems. Now we find new earlier images. First image was at 2005-10-28 \n16:23:14 (not at 16:59:56 UT as we noted in GCN4171, GCN4173) i.e. 2h 46min \nafter GRB time.\n\nThe unfiltered image is calibrated relative to USNO A2.0 (0.8 R + 0.2 B).\nFinal results: the uper limits on OT (M. Jelinek et al. GCN4175) are\n\nUT (start)    T-T_GRB  TotExpTime  3sigma limit\n\n16:23:14     02h 46 m     45 s        17.9\n16:59:56     03h 23 m     45 s        17.5\n17:32:40     04h 12 m    360 s        18.3\n20:01:04     06h 41 m   1050 s        19.6\n21:46:43     08h 26 m   1200 s        19.4\n\n\nThis work is supported by RFFI  04-02-16411 grant.\nThis message can be cited.\nMailto: lipunov@sai.msu.ru",
  "circularId": 4182,
  "createdOn": 1130687610000,
  "email": "gcncirc@observ.inetcomm.ru",
  "subject": "GRB051028:MASTER correction and final results",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>",
  "eventId": "GRB 051028"
}