{
  "bibcode": "2007GCN..6334....1G",
  "body": "C. Guidorzi (Uni-Bicocca/INAF-OAB), R.J. Smith, D.F. Bersier, I.A. Steele,\nC.G. Mundell, S.N. Fraser, C.J. Mottram, A. Melandri,\nM.F. Bode (Liverpool JMU), A. Gomboc (Ljubljana), P. O'Brien,\nE. Rol, N. Tanvir (U. Leicester) report on behalf of the RoboNet\nGRB collaboration:\n\n\"The 2-m Faulkes Telescope South (Australia) started observing the field of\nthe Swift burst GRB 070420 (Stamatikos et al. GCN Circ. 6330) about 3 hours\nafter the trigger time in BVRi filters.\n\nWe detect the UVOT optical transient reported by Stamatikos et al\n(GCN Circ. 6330) and confirmed in IR by REM (D'Avanzo et al., GCN Circ. \n6331)\nin V, R and i' band filters at the following position:\n\nRA(J2000) = 08:04:55.18\nDec(J2000)= -45:33:20.0\n\nwith an error of 0.7\", and 1.2\" away from the UVOT position.\n\n\nStart Time   End Time    Exposure  Filter   Mag\n(min)        (min)         (s)\n--------------------------------------------------------\n175.5        185.9        4x150      R      19.7 � 0.4\n211.3        221.8        4x150      i'     19.3 � 0.5\n--------------------------------------------------------\n\nMagnitudes are calibrated with respect to USNOB1 R2 and I magnitudes.\nFurther observations are ongoing.\"",
  "circularId": 6334,
  "createdOn": 1177077777000,
  "email": "cristiano.guidorzi@brera.inaf.it",
  "subject": "GRB 070420: Faulkes Telescope South Observations",
  "submitter": "Cristiano Guidorzi at INAF-OAB  <cristiano.guidorzi@brera.inaf.it>",
  "eventId": "GRB 070420"
}