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[vsnet-grb-info 1151] GRB 030528 Bisei optical observation



TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2257
SUBJECT: GRB 030528 Bisei optical observation
DATE:    03/05/29 13:11:57 GMT
FROM:    Hitoshi Yamaoka at Kyushu U., VSNET-GRB collab.  <yamaoka@rc.kyushu-u.ac.jp>

K. Ayani (Bisei Astronomical Observatory) and H. Yamaoka (Kyushu
Univ.) report:
 
  "R-filtered CCD images of the field of GRB 030528 (GCN 2256) were
taken with a 1.01-m telescope at Bisei Astronomical Observatory.
The Stacked image of 5 exposures (60 seconds each) taken on
15:22-15:28 UT (139 - 145 minutes after burst) fully contains the SXC
error circle (GCN 2256).  Visual examination with DSS red image
revealed no new object down to R ~ 18.7 (based on GSC-2.2 F
magnitudes) within the error circle.
 
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