{
  "bibcode": "2000GCN...663....1U",
  "body": "R. Uglesich, N. Mirabal, J. P. Halpern, K. Vanlandingham,\nJ. Noel-Storr (Columbia U.), R. M. Wagner, P. Eskridge \n(Ohio State U.) report on behalf of the MDM Observatory \nGRB follow-up team:\n \n\"Further analysis of previously reported observations \n(GCN #651) of the BeppoSAX WFC localization of GRB 000424 \n(Piro, GCN #644) using a sensitive image subtraction technique \nsets a 3-sigma limit of R > 22.8 on April 26.15 UT for any \nfading optical transient in the error circle. Magnitudes \nreported here are referenced to USNO-A2.0 catalog stars nearby.\"\n\nThis message may be cited.",
  "circularId": 663,
  "createdOn": 957396118000,
  "email": "rru@astro.columbia.edu",
  "subject": "GRB 000424 Optical Observations",
  "submitter": "Robert Uglesich at Columbia U./MDM Obs.  <rru@astro.columbia.edu>",
  "eventId": "GRB 000424"
}