TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  250
SUBJECT: GRB981220, field photometry
DATE:    99/02/04 17:32:35 GMT
FROM:    Arne A. Henden at USNO/USRA  <aah@nofs.navy.mil>

A single BVRI photometric observation of the field of GRB981220
was acquired with the USNO 1.0-m telescope during a January
run.  The resultant positions and magnitudes for stars near
the center of the error box can be found on our anonymous ftp
site under
  ftp://ftp.nofs.navy.mil/pub/outgoing/aah/grb/grb981220.dat
Additional observations of this field are planned for next week,
along with the fields of GRB980703 and GRB990123.  These data
are being made available to assist in proper calibration of
photometry.

This report is citable.