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GCN Circular 7825

GRB 080604: Xinglong R band observation
2008-06-05T16:25:28Z (16 years ago)
W.K. Zheng at NAOC <>
X.M. Meng, Y.N. Zhu, L.P. Xin, Q.C. Feng, M. Zhai,
Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng, J. Wang,
Y. Urata and W.K. Zheng on behalf of EAFON report:

We observed GRB080604 (La Parola et al., GCN 7800) with
Xinglong 2.16m telescope + BFOSC on Jun 4, 8.024 hours
after the burst. We marginally detected the OT (La Parola et al.,
GCN 7800; Rol et al., GCN 7801; De Pasquale et al., GCN 7820)
at 3 sigma level. The estimated brightness was R ~ 21.6
+/- 0.3 calibrated to USNO-A2.0 stars.
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